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Is the Nonce in Bitcoin Really Random? Analyzing Over 860,000 Blocks

The Unbearable Weight of a Family's Crisis

https://leetcode.com/problems/single-number/?embedable=true Description: Given a array of integers , every element appears except for one. Find that single one. non-empty nums twice You must implement a solution with a linear runtime complexity and use only constant extra space. Example 1: Input: nums = [2,2,1]
Output: 1 Example 2: Input: nums = [4,1,2,1,2]
Output: 4 Example 3: Input: nums = [1]
Output: 1 Solution: Hello everyone. I’m not a big fan of bit operations, but sometimes they can be useful. Like in the current problem. Have you ever heard about XOR(^) operation? You should know that 1 xor 1 will be 0 For example: 10010 XOR 01110 result 11100 Is it clear? Bit more 11 ^ 10 = 01 Let’s use it in our current problem. We know that all numbers appear twice except one. We can iterate over an array and eliminate elements. Example: [1,2,3,1,2] → 1 ^ 2 ^ 1 ^ 2 = 0 and 0 ^ 3 will be 3. That is it. public int singleNumber(int[] nums) {
    int rez = 0;
    for(int i : nums){
        rez^=i;
    }
    return rez;
} And our next problem is Climbing Stairs https://leetcode.com/problems/climbing-stairs/ Description: You are climbing a staircase. It takes n steps to reach the top. Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb to the top? Example 1: Input: n = 2
Output: 2
Explanation: There are two ways to climb to the top.
1. 1 step + 1 step
2. 2 steps Example 2: Input: n = 3
Output: 3
Explanation: There are three ways to climb to the top.

1 step + 1 step + 1 step
1 step + 2 steps
2 steps + 1 step Solution: Looks like we have 2 base cases for 1 step and 2 steps. And in a 3-step stair, we have to use previous calculations. That is mean it can be a dynamic programming (DP) problem. Usually, in DP problems we create an array or other data structure to save prev step results. Next, we must fill it with base values. In our case we put into arr[0] = 1 (one variant for added with one stair) and arr[1] = 1 (step for 2 stairs). And then we iterate till the n and use calculations from previous steps. For example 1: n = 2.

It is obvious that for 2 stairs we have 2 variants:

The first variant is to use 2 steps by one, and the second variant is to use 2 steps stride. 

The result will be 2.  dp[2] = dp[i-2] + dp[i-1] = 1 + 1 = 2; For example 2: n = 4.

Use results from prev example.
n = 2
The result will be 2.  dp[2] = dp[i-2] + dp[i-1] = 1 + 1 = 2;
dp[] = [1,1,2]

n = 3
dp[3] = dp[3-2] + dp[3-1] = 2 + 1 = 3;
dp[] = [1,1,2,3]

n = 4
dp[[4] = dp[4-2] + dp[4-1] = 2 + 3 = 5;
dp[] = [1,1,2,3,5] Ok, hope it is clear. And sure let’s code it: public int climbStairs(int n) {
    int[] dp = new int[n + 1];
    dp[0] = 1;
    dp[1] = 1;
    for (int i = 2; i <= n; i++) {
        dp[i] = dp[i - 1] + dp[i - 2];
    }
    return dp[n];
} If you read it till the end, please add your reactions. It is really important for me. Learn more on https://t.me/crack_code_interview

Solving the Single Number and Climbing Stairs Coding Challenge

At , we believe content is essential. It gives us a way to spread the word about our product while sharing ideas we think will be helpful to others. While companies like Hubspot have dedicated content teams, if you’re like us, you may only have a single person responsible for the process. Whalesync With limited resources, we needed to find 80/20 solutions for our content/SEO strategy. Having waded through a sea of articles and playbooks, we identified a few top resources that work for us. Below are a few of our favorite content/SEO resources and a simple SEO checklist we run new content through. The checklist is just a small piece of the work necessary to rank on Google. I hope that it can serve as a kickstart for other individuals trying SEO on their own. ‍ ‍ SEO Checklist Title & Meta [ ]  Ensure target keyword is in the <title> tag (name) at the front [ ]  Ensure target keyword is in the <meta> description (short description) at the front [ ]  Try to make Title Tag <65 characters [ ]  Ensure target keyword is in the slug In-Post [ ]  Ensure target keyword is in the first <h1> [ ]  Put your keyword or synonyms in other header tags (<h2>, <h3>, etc.) [ ]  Check that the is in the ballpark (minimum 300 words) length of the post [ ]  Ensure target keyword appears in the first paragraph of the post [ ]  Your keyword (or synonyms — Google recognizes them now) is used other times throughout the page (your keyword density is between .5% and 2.5%) [ ]  Add <alt> tags to all the images in the blog post that contain target keyword [ ] all the images Tinypng Links [ ]  Add links to this article (where relevant) to past articles Editing [ ]  Edit using the Hemingway Editor [ ]  Edit using Grammarly ‍ * Note - we don’t always do everything on the list. For example, this piece does not check every box (😅). The reason is that our number one priority with content is to share something valuable or interesting. Secondarily, we look for ways to make that content visible to more people using SEO. SEO / Content Resources (Austin Allred) SEO is Not Hard — A step-by-step SEO Tutorial for beginners that will get you ranked every single time (Steve Klein) Content marketing for founding teams (Clearbit) Data-Driven SEO: Content That Ranks (Semrush) How to Create an Effective SEO Strategy

A Brief SEO Checklist for 1-Person Teams

Design Meets Browser 🎨 The product of a weekend project in 2011, Brown CS senior Evan Wallace’s WebGL rendered was proof of concept that the browser was ready to host creative tools - a chance to complement creativity with collaboration and access. Dylan Fields and Evan Wallace jumped on this opportunity and 3 years later the first web-based vector-design tool was born - . Fast forward 6 years, Figma is a booming SaaS decacorn, having raised from some of the best global investors. swimming pool Figma Like most legendary companies, Figma has defied the bounds of its total addressable market (TAM) and is widely used not just by designers but also non-designers (engineers, product managers, marketers, etc.) in industries ranging from the expected (tech companies like Uber and Square) to the wildly surprising (petrochemical companies like )! Repsol The following is a story of the events and decisions that led to the creation of the platform millions of us know and love ❤️ The Search for Product-market Fit 🧩 When Dylan and Evan decided to go full time (enabled by Dylan’s Thiel fellowship), the primary mission was to make design collaborative, and accessible. After dropping browser-based photo-editing as the focus use-case (citing the shift of photography to handheld devices), the team identified a huge market in interface design. A market that was booming with the explosion in smartphone applications, but haunted by nightmarish cross-vertical communication and collaboration gaps between design, product, and engineering. A product that packed all the design functionalities of traditional software but was now accessible over the browser (courtesy WebGL) for multiplayer editing amongst designers and cross-functional non-design teams Designing could now move to the cloud and teams could edit together, maintain version history, share design libraries and collect feedback from multiple stakeholders all in one place. We've since witnessed the meteoric rise and rise of Figma. A coming together of a large market, impeccable timing, and a special founding team! The Art and Science of Distribution 🌐 : By building a that was free to use, Figma was able to attract 1000s of early adopters who fit its ideal customer persona. Using the PLG philosophies of free and ungated access to core functionality, frictionless self-serve onboarding, coupled with user delight that the superior product offered, Figma was able to successfully activate its early adopters. The art world-class product : A focused community and content marketing program further fueled this and a loyal user base, positive word of mouth and network effects were now brewing. After holding off on monetization till value was established, Figma introduced a self-serve teams product - , providing users a greater scale of collaboration for a monthly subscription fee. The science Figma Professional The growth in users was compounded by a combination of direct network effects amongst designers and cross-group network effects through non-designers. Figma designers championed adoption in their teams (roping in other designers) and introduced Figma as the new way to collaborate with their non-design counterparts. Both these segments, as they moved jobs and geographies, HAD to take the new, super-effective, and collaborative way to design products with them. Getting Enterprise-ready 🏢 As teams within large enterprises adopted Figma, the platform virally found its way onto most screens within the tech and product org. As with all SaaS categories, the move to enterprise comes with, well, the need for enterprise features. Figma addressed this need by rolling out - a powerful enterprise solution for all corporate needs (billing, security, user management). Figma Organization This was also accompanied by stronger collaboration tools in the form of organization-wide design systems, team management, and shared fonts. The product as expected was received warmly, generating huge inbound demand. However, the self-serve onboarding system that drove Figma’s bottom-up growth proved insufficient for the buyers to navigate their internal red tapes and a gap developed for pre and post-sale support. Enter the Suits 👔 Figma had two pressing issues to solve: Managing the sheer volume of inbound enterprise requests Distributing the enterprise solution to existing accounts that’d benefit from the superior features. When SaaS GTM stalwarts like (ex-SVP Zendesk) and (ex-Dropbox) were brought on to solve for this, Figma had a very strong product-led motion rolling, supported by a customer success team and loyal promoters. Amanda Kleha Kyle Parrish While the focus on community marketing and content marketing sustained, an experiment with sales saw great success in terms of customer delight and conversion statistics. Human touchpoints were identified to be a pivotal lever in helping users navigate organization-wide adoption of Figma ‘They don't always have to have the most traditional backgrounds, but they're high IQ, high EQ, high horsepower, and their intellectual curiosity about what you're doing is what's driving them' - Kyle Parrish, Head of Sales @ Figma on hiring early sales reps The Mechanics of Figma's Sales Engine ⚙️ The sales team divided as mid-market, enterprise, and account management saw quick growth to 100+ employees - across account executives (AE), account managers (AM), and leadership. While a Salesforce CRM instance and a platter of sales productivity tools like Dooly (notes management), Chorus (collaborative sales conversations), Outreach (sales engagement), to name a few, ensured that the team was well equipped to sell sell sell, it was the stitching together of the entire sales stack (covered in the next section) by that makes Figma's GTM truly exceptional ⭐️ engineers and data scientists Engineering Hypergrowth 🚀 When you have millions of happy users who are using your platform for free, a premium offering that will improve the experience for some of them, and limited bandwidth to introduce the same, you need to solve for two things: Prioritize leads to optimize sales bandwidth and performance, while Preserving the PLG experience that you are renowned for. A badly targeted sales call has a higher likelihood of doing more harm than good! Figma realized that the key to undertaking this was to leverage user information and signals across product usage, billing, and communications in a single view, allowing their AE’s and AM’s to prioritize and customize their approach. What followed was a multi-quarter engineering effort. Figma's engineers helped the sales team create a data warehouse, pipe in information from multiple siloed databases, group users by organizations, mark high priority accounts using Clearbit data, deprioritized closed-won accounts using stripe data, and lastly, score leads to reflect the likelihood of sales conversion based on: Demographics: How large is the team (# of users)? How large is the account (Fortune 100, 1000, etc.)? What is the industry (tech, media)? Product usage signals: Are users creating and sharing components? Has this behavior been increasing over time? Amongst a host of other signals. Figma further fed the above information back into Salesforce, equipping their AE’s and AM’s with key insights right in the platform they are most familiar with. What’s Next? ⏭ With a strong product-market fit and a proven GTM, Figma marches on as more and more organizations adopt the multiplayer approach to design. With giants like Adobe doubling down on interface design with new product Adobe XD, embracing PLG, the browser and a loyal community remain Figma’s biggest moats. Figma is investing heavily in the community as it tries to position itself as a platform with top users sharing designs and tutorials (in true GitHub fashion) and by facilitating easy build & stable plug-ins. This investment is pegged to usher in a new phase of growth driven by global network effects. Figma is also going multi-product with their new launch - , a browser-based whiteboarding tool - ‘embracing every role in product development’. As this requires distinct workflows that enable multiple products and multiple customer journeys, the GTM will have to evolve at Figma. We're sure Figma will come out on top with this challenge and I am sure you’re as excited as us in seeing how it unveils. FigJam Also Published Here

Figma's $10B GTM Engine and How it was Built 🎨

An average email user can receive around per month. Therefore, finding the identity of unknown email senders is vital. 16 malicious emails Keeping that in mind, we analyzed 13 different ways to conduct a reverse email lookup. We specifically based it on the working, accuracy, intuitiveness, pricing, and more. So, here’s your ultimate guide with all our findings to conduct an effective reverse email lookup. Table of Contents What is a Reverse email lookup? How to conduct a reverse email lookup? Which email lookup tool and chrome extensions should I use for reverse search Linkedin Sales Navigator Extension for Gmail : Still a Viable Option? Unable to do your reverse email lookup? The clever tip for reverse email lookup What is a Reverse email lookup? Now, how do you find a person’s email address? You use their name. In a reverse email lookup, you reverse the process (just as the name suggests), i.e, you use the email address to find the name and other pieces of information about the sender. So, basically, by conducting a reverse email search you can identify and extract the personal information of your unknown email sender that they’ve made public on online platforms. If you are thinking that this is going to be a long, tiresome process, then let us happily break it to you. You couldn’t be more wrong. Reverse email lookup is easy, effective, and quick. You will know it once you conduct the process. How do I conduct a reverse email lookup? Looking up the identity of an unknown email sender is not a herculean task. You can effectively do so, by using some simple reverse email lookup methods. 1. The good old Google search Yes. You can rely on Google for finding the details of your email sender. Using Google search is one of the most convenient, yet efficient methods to doing a free reverse email lookup. If the sender has registered himself in websites, forums, or any other platform, Google can simply track down the name and other details. All you have to do is this. Drop the email address in your Google search bar and press enter. Google will display as many results as it can find. Run through the title and the description and see if it contains information that matches the email address. You can even make your search more specific by quoting the email address, i.e ” xyz@gmail.com” and then hit enter. By doing so, you will see only the results where the email address actually appears. Employing Google’s search engine can be a great way to find the details of your email sender, but it can also be time-consuming and confusing especially when the person has not used the specific email address anywhere else. 2. Search effortlessly via email lookup tools You can use email look-up tools or specifically reverse email lookup tools to find the identity of your unknown sender in less than a minute. These lookup tools are powerful enough to search extensively through web results, social media networks, and even the invisible web to locate hints associated with the email address provided. If the given email address is publicly available in any of the mentioned areas, your reverse email lookup tool can easily locate the details of your anonymous sender. When that’s the case, email lookup tools are your safest bet. 3. Observe and research domain name You can use the domain name on the email address to know more about the sender. Let’s say the email address is xyz@example.com. Here, ‘example.com’ is the email domain. Now what you can do is, search the domain and conduct research on it to find the email sender’s identity. However, do note that this method is comparatively time-consuming and tiresome. 4. Analyze the services offered If the unknown email you received is related to any service or product, you can simply search by the name of the product or service offered and then trace details about the sender. This method of reverse email search can also be a lengthy one. Which email lookup tool and chrome extensions should I use for reverse search? While many prefer tools, there are a few others who prefer chrome extensions to do their reverse email search. Luckily, the market offers some great reverse email lookup tools and chrome extensions that you can use for your search. 1. Clearbit Connect- Supercharge Gmail – Supercharge Gmail is that lets you conduct reverse email search effortlessly. This extension lets you find all the essential details of the sender like location, social profiles, job title, and much more. Clearbit Connect a chrome extension Clearbit is arguably the best free option and lets you find all social media accounts connected to the email sender without even leaving your Gmail inbox, making it quite intuitive. Pricing: Free 2. Discoverly With around 32k users, Discoverly is a free that is quite popular in the Chrome Store. reverse email search extension essentially finds someone’s social media profiles by email addresses, so that you can easily browse through the profile of the anonymous email sender and collect only the relevant details you need. Discoverly This chrome extension lets you do reverse email lookup on Gmail, Twitter, Linkedin, Hubspot, Boomerang, Right Inbox, and a lot more platforms. Pricing: Free 3. Email Qualifier Extension Manycontact’s is yet another that lets you identify social media profiles that are connected with the anonymous email address. Once you provide the email, the extension gives you a bulk view of all the social media profiles related to that specific email. Email Qualifier Extension chrome extension Also, in Gmail, you directly find out which emails own social media accounts and view them. Then, the reverse email lookup details can be downloaded if you want. Pricing : Free 4. BeenVerified.com is clearly a popular choice when it comes to reverse email search. The tool explores tons of social media platforms to retrieve the most relevant details of the email address provided. BeenVerified After doing the reverse email lookup, the tool not only gives you information based on category but also prepares an entire report to help you get a comprehensive idea about the identity of the email sender. You can find some crucial details like the geographical location of the sender, name, age, photos, job and education history, contact information, and many more. It also searches for the criminal records of the sender, if any. Yet on the downside, you can’t rely on the free version of the tool because it more or less directs you to try a paid plan rather than actually displaying the results. : Request for a quote Pricing 5. Pipl claims to be an identity information platform that lets you uncover all the possible publicly available details of an unknown email. It works like a search engine and fetches your details when you enter the email address. Pipl This reverse email lookup tool has an extensive database and displays the website where the email is registered along with other reliable details. Two of the few stumbling blocks would be that the reliability of the information depends on how exactly you give the input and you will have to enter the country code manually which interrupts the smooth experience. $298/mo with Annual Subscription Pricing: 6. Polymail If you are a hardcore Mac user, then is your go-to reverse email lookup tool. The best part about Polymail is that it displays the profile of your anonymous email sender, just beside their email. This way you can directly compare the information with the email address and the body, thus increasing the chances of finding the right person. Polymail Polymail is one of the best free reverse email lookup tools, however, the plans are more suited for bigger organizations and not really for small scale businesses or individuals. $13 per user/month with monthly subscription. Free Trial Available. Pricing: 7. Mailbird If Polymail is for Mac, then Mailbird is for Windows. Yes, can be an excellent reverse email lookup tool if you are a Windows user. The tool is quite intuitive and lets you directly find information on LinkedIn about the email sender. Well, it’s one thing to provide a friendly interface, it’s another thing to give ample functionalities. Mailbird Unfortunately, this reverse email lookup tool is not exactly feature-rich though the limited features are reliable. $3.25 per month. Free Version available. Pricing: 8. Social Catfish is yet another free email lookup tool that is much popular for its reverse email search abilities. This powerful tool lets you find the social media profiles, online photos, contact numbers, addresses, and other specific details you need related to the email. They even claim to have the functionality of pulling up the IP address to provide adequate information about the sender’s location. Social Catfish Well, even with all these features, it’s hard to ignore the fact that Social Catfish does not actually help you validate emails. Request for a quote Free Version Available Pricing: . 9. Integrate Hubspot and Sales Navigator (The Best Paid Option we found) If your intention is to find the business potential of that unknown email, then this is arguably the best combination of tools you can opt for, especially if you have an account in Hubspot. You will also need to access Linkedin Sales Navigator, only then can you integrate it with Hubspot to perform the reverse email search. Now, here’s how the lookup works. After integrating with Sales Navigator, you will have to create a contact in Hubspot with just the email address. Your contact will then be tried to match with Linkedin Sales Navigator. Sales Navigator brings you the closest if not the most accurate match to the email and you just have to click ‘match’ to see your unknown sender’s Linkedin Sales Navigator profile. You can then collect all the details you need to analyze the business opportunities. Evidently, to pull this off, you need accounts in both Hubspot and Linkedin Sales Navigator for Teams. For this particular use case you can use Hubspot for free but Sales Navigator for Teams can be a pricey alternative. However if accuracy matters to you, then this is a super-effective option. Hubspot – Free Linkedin Sales Navigator for Teams – $135/ month Pricing: Linkedin Sales Navigator Extension for Gmail : Still a Viable Option? Have you been researching about reverse email lookup for a while now? Then, you would have definitely come across Linkedin Sales Navigator Extension for Gmail. The extension did the reverse lookup for emails received in Gmail. You will or maybe would have stumbled across articles that point to it as a great reverse email lookup extension. Well, it definitely was. Nevertheless, LinkedIn has unfortunately sunset the Sales Navigator extension due to low adoption. So, you don’t have to spend hours browsing for an extension that no longer exists. Still no luck?! Unable to do your reverse email lookup? Well, after all these attempts you may still be unable to find that anonymous email sender. When that’s the case it would be safe to say the chances are that the email address is invalid or hasn’t been used anywhere else. Another possibility is that the email might have been sent from an anonymous email website. So, it’s always best to start with verifying the unknown email address before you go into extensive searching. A Clever Tip! Of course, some reverse email lookup tools do offer email verification, the likes of which are very expensive. Yet, you can go for it. But if you are really looking for a slightly cheaper or a free reverse email lookup tool (or service), you might not find the functionality mentioned above. When that’s the case, let us suggest a clever tactic to get the job done without burning a hole in your pocket. Use email verifiers and check if the email is validated before starting your reverse email lookup. If it’s strictly for business purposes, we would definitely suggest a slightly different method using . SalesQL SalesQl is a feature-rich Linkedin email lookup tool that will let you identify the validity of the email in less than 60 seconds. You can conduct your reverse email lookup using a free tool and then swiftly verify the email and find other validated details of the sender like alternate email id, contacts etc. using SalesQL. And what’s more?! It is free! You can use up to 100 credits without paying a penny! SalesQl in combination with a good reverse email lookup tool can really help you up the lookup game by a notch. Cheers to successful reverse lookups!

What is a Reverse Email Lookup and How do you Conduct Them?

Over the past few years, I've had the great chance to help some awesome SaaS startups with their digital marketing. As a result, I've ended up doing digital marketing for a ton of different industries. To name a few: workflow software, online resume builder, knowledge base software, BPM software, SaaS management software, event fundraising software, and many more. Some of these startups were completely bootstrapped, some had over 10M in funding, and others were well-established SaaS companies generating over 3M ARR. The one thing that surprised me however, is that even well-established companies with 30+ employees and a dedicated marketing team, were lacking some very basic processes and set-ups, which I think are essential for any startup to succeed. So, that's why I decided to create this Startup Checklist. Hope you find this useful. And feel free to contact me directly if you have any ideas on how to make this checklist better! 📚 Step #1 - 📚 Research Phase Before you start planning your launch, you need to figure out your overall product and marketing strategy. & include the following: 1. Create a list of competitors in your niche Competitor name Link Pricing options Key features 2. Define your product & business: What’s your business model? What’s your pricing model? How many pricing tiers do you offer? Do you offer a free trial? Is your product freemium? Which key features are you going to focus on for launch? What’s your differentiator? How are you going to beat the existing products on the market? and figure out which marketing channels are getting them the best results. 3. Spy on your competitors 📄 Do they publish blog posts on a regular basis? Do they promote their content on social media? Do they get a lot of Facebook, Twitter, or LinkedIn shares Content Marketing📄 🔗 Do they have good rankings on Google with their blog posts? Do their landing pages rank on product search terms? You can check this by running their website through SEMrush or Ahrefs. Search Engine Optimization🔗 🔎 Are they running ads on Google Search? You can check this by running their site through SEMrush. Search Ads🔎 👀 Are they running ads on Facebook? You can check this through Facebook Ad Library. Facebook Ads👀 🤝 Check their website footer to see if they have an affiliate page up. You can also do this through a simple search query: “site:[competitor website] affiliate program.” Affiliate Marketing🤝 🔁 You can usually find this in the footer. Check what kind of referral terms your competitors offer.[ ]  Now, if you're planning on raising money, use all of the above to slap together a bad-ass pitch deck. Referral Marketing🔁 🌐Step #2 - Slap Together a Website🌐 Time to get things rolling. The next step is to create a website and create a foundation for your marketing . Pro-tip, all the good “.com”s are taken. Go for something more creative like a .io, .xyz, or other TLD. We recommend using NameSilo for buying the actual domains, they don’t do price-gouging, unlike most providers. 1. Pick a domain name . We recommend using - they have 99.99% server up time, and their customer support is amazing. 2. Buy hosting SiteGround . It doesn’t particularly matter which one. We usually recommend since it’s free for up to 2,000 subscribers. 3. Pick an email marketing provider MailChimp . The key here is relevant. If you’re a B2B enterprise software company, you really don’t need an Instagram profile where you post selfies. Usually, most startups go for Facebook, LinkedIn, and Twitter. 4. Create relevant social profiles . You’ll need to create a landing page that sells your product. In 99% of cases, we recommend using WordPress. It’s going to allow you to be a LOT leaner than having your tech team code your entire website from scratch. 5. Create a landing page for your product . E.g. about us, contact us, pricing page.Set up a payment processor. We’d recommend Stripe (the best option on the market) or PayPal (if you really have to). 6. Create other essential web pages . We’d recommend Stripe (the best option on the market) or PayPal (if you really have to). 7. Set up a payment processor . You can pick between Google Analytics, MixPanel, or other alternatives. 8. Set up Analytics . We recommend using G Suite. Dealing with your hosting provider’s email service will be a pain when scaling. 9. Set up a business email . If you’re planning on using content marketing or SEO for your marketing (which, in 2020, most product companies do), you’ll need a blog. 10. Launch a blog 📈Step #3 - Do Some Pre-Launch Marketing📈 If you have the extra time and resources, you can start marketing your product way before you’ve even launched. Usually, this involves the following. on your landing page. 1. Add an email capture . Offer them something extra than just a “we’re going to email you once we launch!” 2. Incentivise early adopters . Usually, the best channels to use for pre-launch marketing are content marketing, SEO, and PR. More on each channel under “Ongoing Marketing” below. 3. Drive traffic 🚀Step #4 - Get Some Initial Traction🚀 Once you have an MVP, you want to validate 2 things: that your product works, and that it can drive conversions (and hence, revenue). Here’s how to do it lean. , launch an email to anyone that pre-signed for your product. 1. If you did pre-launch marketing The easiest way to get your first customers is to do some cold calling. After all, if you can’t sell your product on a one-on-one call, how will you sell it to strangers on the internet via text? 2. Cold call your first 50 customers. Use Facebook, LinkedIn, or Twitter to find leads on social media and pitch them with a direct message. 3. Find leads on social media. If you have a flexible budget, you can run search ads on direct intent keywords. E.g. if your product is a resume builder, you advertise on the keyword “resume builder.” 4. Run search ads. 👨‍🚀Step #5 - Prep for Launch👨‍🚀 Every startup gets one “launch” in its lifetime. Here’s how to make sure you get it right. and put it up on your website. . This is going to be helpful for journalists who want to write about your website. 1. Create a Press Kit Here’s an example of how to do that . You’re going to email them during launch and ask for a feature. Use tools like or to find the journalist’s email addresses. 2. Gather a list of journalists that wrote about your competition Hunter.io Clearbit Connect . You’ll want to ping them and ask for support once you launch on PH (more on this in the next step). 3. Create a list of all your acquaintances that use ProductHunt (PH) who might have connections to your target audience. You’ll reach out to them during launch. 4. Create a list of all your friends and acquaintances 🔥Step #6 - LAUNCH!🔥 Time to hit that big, shiny red button and LAUNCH! you listed in the last step and pitch your product. The PoV of the pitch should be “hey, you wrote about [competitor x]. We have a similar product, but here’s how ours stands out…” To learn more about this approach, . 1. Reach out to all the journalists check out this article . Here’s the . 2. Launch on ProductHunt best guide on how to do that we listed out in the last step, and ask for a share of your product landing page. For the best results, you should also give them the EXACT text they should use when sharing the page. 3. Reach out to all your friends and acquaintances ➡️ Step #7 - Ongoing Marketing ➡️ BAM, you launched. If you did everything right, you should already have some initial traction. However, you’re far from done. In fact, you’re just getting started! From here on out, you should be doing ongoing marketing to drive growth for your startup. You can use any of the following marketing channels… SEO Content Marketing Google Ads PPC Affiliate Marketing Referral Marketing We're going to deep-dive on how to do it down below! 🔗 SEO 🔗 SEO generally involves 3 things: 1. Creating high-quality articles aimed at ranking for specific keywords 2.Optimizing your website to Google best practices 3. Getting high-quality backlinks pointed towards your website Here's how to do all that. that have good rankings on Google. 1. Create a list of your competitors . Come up with keywords that you want to rank for with your blog content (e.g. topics surrounding your product), as well as your landing pages (e.g. direct search terms people use to find your product). You can use the following tools for this: 2. Do some keyword research UberSuggest SEMrush Google Keyword Planner . You can use one of the following tools: 3. Optimize all your web pages for SEO Using WordPress? or RankMath Yoast Otherwise, check this out on the reg. Here’s how to do that… 4. Publish SEO-optimized content How to Learn SEO in 2020 SEO Case Study - From 0 to 200K+ Monthly Traffic Our SEO Process - How To Reach 200,000+ Monthly Traffic SEO Copywriting: 17 Powerful Secrets (Updated) Wa for each of your use-case. 5. Create landing pages How to Rank (and Convert) with Landing Page SEO The simple guide to SEO for your landing pages . Here’s the you can use. 6.. Do link-building on the reg complete list of all the possible tactics 📄 Content Marketing 📄 Content marketing = creating content aimed towards your target users needs / paints / problems, and promoting it to make sure that they get to read it. if you're a resume builder SaaS, you'd create content on how to write the perfect resume. E.g. Here's how to do content marketing: . The general process, though, involves creating and promoting content to drive traffic and leads to your product. 1. Learn some basics of content marketing . You can use the following tactics for that: 2. Come up with (potentially viral) content ideas Find viral content in your niche with BuzzSumo Reverse-engineer the best content ever published on Hacker News Borrow content ideas from some of the best posts on Reddit. To do this, find the most active subreddit for your niche, and check for the most popular content published there. E.g. . for /r/entrepreneur you can use to promote your content. Some of our favorites include: 3. Create a list of channels . Whatever your niche might be, there’s probably a ton of Facebook groups around it. If you’re in the SaaS, entrepreneurship, or marketing niche, check out . Facebook groups our list of 100+ best groups . Find the most popular , and repost your content there. Keep in mind, though, that for most subreddits, you have to reformat your blog post to fit the Reddit post format (and NOT just submit a link to your blog) Reddit communities for your niche E.g. , , etc. Niche communities. Growth Hackers Indie Hackers . Here’s our favorite guide on . 4. On a weekly basis, create 1-2 new, high-quality content pieces how to create good content , look for people who wrote about similar topics, and reach out to them asking for a share. 5. For each content piece you publish 6. Read some case studies: How Chris Von Wilpert made $100,000 from a single blog post How Mint.com used content marketing to grow to 1.5+ million users How to Execute the Skyscraper Technique (and Get Results) you should read the . 7. If your company is a SaaS, SaaS Marketing Bible 🔎 Google Ads 🔎 Does your product already have an audience looking for it? Then Google Ads might be the right channel for you. The general process here is identifying keywords your ideal users use to look for similar products, and advertise on them. Here are some of our favorite resources: 1. First off, get some basic understanding of how Google Ads work. Google Search Ads Training AdEspresso Search Ad Guides Isaac Rudansky’s Search Ad Tutorials Then, here's our Google Ads checklist: . You can use for this. We recommend finding keywords around your product’s main use-case and running ads on those. 2. Find the keywords you want to run ads on Google Keyword Planner . This is a lot easier than you’d think - check what’s the average CPC for your keywords, decide on the # of clicks you want to buy in order to see if you’re getting a positive ROI or not and calculate the budget accordingly. Alternatively, you can just use . 3. Decide on your budget our PPC calculator . E.g. if you’re advertising on “workflow software,” your landing page should have “workflow software” as a keyword sprinkled all around (and NOT “business process management software” or any other synonym). 4. Create a landing page for each (significantly different) keyword . 5. Create 3+ ad copies for each keyword you’ll target for your ad account. E.g. if you’re selling a very expensive product, you’d probably want to avoid countries with lower income. 6. Pick the right location, device type, and demographics options . I.e. each ad set should have 1 keyword. While this is harder to manage, it gives you better control and flexibility over your ads. 7. Create granular ad groups . I.e. bid lower for broad match keywords, and higher for exact match keywords. 8. Use Cascading Bids . That’s keywords you DON’T want your ads to show up on. When you’re using broad match keywords, Google automatically shows your ads to associated keywords (which often-times, can be irrelevant). 9. Add negative keywords 10. Use as many ad extensions as you can. . Meaning, Google will automatically figure out which of your ad copies work best and run those. 11. Use optimized ad rotation and make adjustments when needed (try new keywords, add negative keywords, experiment w/ different ad copies, etc.) 12. On an ongoing basis, keep track of your account to keep track of your conversions. 13. Add conversion goals 👀 PPC (or, Other Ad Channels) 👀 Since there are dozens of ad platforms on the web, this sections going to be a bit more generic. The general goal for PPC is to set up your ad account in such a way that you're making more money than you're spending. . Decide on the budget and campaign goal. The latter will tell the ad platform how to optimize your campaigns. E.g. should it focus on traffic that gets you sign-ups? Conversions? Traffic? 1. Create your ad campaign . Mind you, though, this doesn’t mean that you should create a customer persona and replicate it using Facebook targeting. Create several target groups w/ a handful of interests each. Test which of them performs the best. 2. Figure out your ad targeting (i.e. ad image and copy). The goal here is to see which ad works best and double down. 3. For each target group create several ad creative variations Looking to learn more about PPC advertising? Here are some of the best guides we’ve read: Beginner’s Guide to Facebook Advertising Facebook Remarketing Guide The Ultimate List of Facebook Ads Case Studies (+ 38 lessons you can’t ignore) How to Setup LinkedIn Remarketing My experience running Facebook ads and my cheat sheet on how to make them work for you Complete Guide to Look-Alike Audiences 🤝Affiliate Marketing🤝 Affiliate Marketing means starting a program to reward companies who drive registrations and sales to your website. Here's how to do that: Meaning, you need to figure out: 1. Decide on your affiliate program structure. What’s the % you’re going to offer to your affiliate Are you going to offer a different % based on the # of signups an affiliate drives? Is the affiliate bonus going to be a one-time thing, or recurring? . Here are some options: 2. Decide on the technical solution Create your own affiliate software. Obviously, this is very time-consuming and expensive, so we wouldn’t recommend. Using WordPress? You can try Affiliate WP If you’re not, any of the following options are nice: , . TapAffiliate Post Affiliate Pro for the affiliate program. Include a link to it on your site header or footer. 3. Create a landing page For example: 4. Reach out to potential affiliate marketing partners. Influencers Bloggers Affiliate blogs (i.e. blogs that review the best products in your niche) 🔁 Referral Marketing 🔁 Referral marketing can significantly boost your user acquisition with ZERO added spend. Here's how you'd do that: What does the referrer and the referee get? Some options here are: 1. Decide on your referral marketing structure. Discount to the product Product credit. Meaning, credit they can only use for your product Offer cash. PayPal is famous for this referral tactic strategy . You can use one of the following tools for that: 2. Setup a referral marketing program Referral Candy Prelaunchr Invite Box 3. Create a landing page for the referral program and include it in your header or footer. and let them know about your referral program. You can do this by sending out a mass email to your subscribers and users. 4. Reach out to your existing users To learn more about referral marketing, check out: How to Build a Customer Referral Program An Epic List of 80+ Referral Program Examples Previously published at https://apollodigital.io/startup-launch-checklist

🚀 Ultimate Startup Launch Checklist: 2020 Edition 🚀 

was officially founded in May 2018, but we had to come a long way before finding our value as a company. Today, we'd like to share our road with you, so you can . Arengu get inspired and learn from our story How we built our startup — From our initial idea to what we are today . With this tool, you can build any kind of signup form, but you can also build server-side logic to finish it off without code. Arengu is now a low-code SaaS meant to improve everyone's signups But in its origins, . In a market full of already consolidated form builders, we thought we could find a niche for us, just by doing it better! our startup was born as a form builder called RocketForms We now consider this our first fail as a startup. The market was full of consolidated businesses (such as Typeform, Jotform or Wuffo, among many others). As people asked we realized our competitors were offering great features, and our startup didn’t offer a competitive advantage in this market. — one step closer to what Arengu is now. what our differentiating factor was, This is where we executed our first iteration Our first iterations By this point, we decided to take RocketForms one step further and . Instead of just builder forms, you could to improve the way you ask for your users’ data. By using external providers (such as Clearbit, FullContact, or LinkedIn) our users could get more data without specifically asking for it in their forms. This idea would lead to , yet to iterate it to a smart form builder add data enrichment actions shorter forms with less fields richer submissions with more valuable data. This looked like a good idea, but in reality it was a good and late idea. By then, Clearbit announced they were launching Clearbit forms, an approach to forms with data enrichment. Of course, Clearbit started from an enormous database, which made things difficult for us. Now, this is what we remember as our second fail. Becoming Arengu — A path to be the brain of a signup form Signup forms are everywhere and . Behind a basic registration form, there is usually , including verification processes, authentication systems or even after-submission tasks. they look way simpler than they are complex server-side logic How about Building a signup form takes a lot of developing tasks. That’s why we decided that — to build forms with personalized logic, without coding. building all the necessary flows for a form, without coding skills? Arengu should be the brain behind your signup forms a tool both for marketers and developers so far consisted of connecting so forms can be complemented and rounded off with other actions, such as verifying users’ email, sending OTPs, signing up users to a database, and so on and so forth. Our latest iteration our forms to third-party providers via API, This development turned Arengu into a instead of one-way flows. low-code builder that allows two-way flows, Thanks to this, you can now use Arengu to and to the responses coming from the server. modify the form’s functioning according to your own personalized logic A look at the future As for today, Arengu aims to be the brain behind every signup form. A tool both for marketers and developers, to help you escalate your signup processes. Forms’ presence in our day-a-day lives is undeniable and their functioning affects directly on conversion rates and revenue for zillions of businesses. On the one hand, everyone wants users to complete their signups with as fewer clicks as possible, so the process is frictionless and improves the conversion rates. But on the other hand, a signup process that’s too smooth and fast may lead to unqualified users or even fraud. is key for every online business and personalizing the forms and the logic behind them is a powerful tool to get the perfect signup form for your business. Finding a balance between these two approaches The truth is there is a long way for signup processes to get better, and , regardless of your skills. That’s the now! Arengu’s mission is to serve as a tool for that purpose differentiating factor or knowing more? Take a look at our or ! Interested in trying Arengu out launching page on Product Hunt try Arengu for free

How We Built Arengu — Story and Vision of Our Startup

Marketing SaaS products can be challenging, especially since they have no physical presence. However, there are plenty of marketing channels to attract your target audience. Email marketing is a notable mention employed by marketers, far and wide. After all, there are , which accounts for nearly 50% of the world’s population. Mind-blowing, isn’t it? And, interesting enough, with the booming SaaS industry, a large chunk of these emailees might be keen on your niche market. 3.9 billion active email users around the world As for marketers working for SaaS businesses, notably the startups who don’t send emails routinely, one of the biggest mistakes they can commit is to have an email list and do nothing with it. As a startup SaaS business, if you aren’t sending enough emails, you are willingly letting go of your subscribers. Let’s quickly go through some effective tips to help you ace SaaS email marketing. 1. Timing is key When I say SaaS businesses shouldn’t shy away from emailing your subscribers, I do not intend them to bombard their email lists with the same boring emails, over and over. because they receive “too many emails.” 69 percent of users unsubscribe Way too often, companies storm their client’s inbox with ten emails in one month only to send them just one the following month. If you are on the hunt for the ideal marketing email-send frequency, you might need to consider several factors, including: Industry statsNature of the email (i.e., updates, promotions, newsletter, etc.)Nature of the product or service So, there isn’t a single answer to the complex question that is “How often can marketing emails be sent?” but you could resolve to tests to see what works and what doesn’t work for you. 2. Segmentation that’s smart Many MarTech gurus claim is an indispensable accomplice to various marketing strategies. It’s been this way since the early 20th century. Flash forward to today, email marketers around the world strive to target different audiences with personalized email campaigns through email segmentation. segmentation In a survey by Clearbit, the top parameters companies use to perform email segmentation were determined, and they are depicted below: (Link) Email engagement behavior tops the list, and this comes by no surprise since this type of segmentation can be achieved in all conventional email marketing tools available in the market today. If your company is a multi-product business or offers several plans for the same product, another great way to send personalized email campaigns is to segment your email list by firmographic data like employee count and revenue. Company-level information like this can be used to devise sales-driven emails in a B2B atmosphere. Here’s a great example by . Segment 3. Send SaaSsy emails We understand that SaaS marketing can be quite a task. Nonetheless, one of the best ways to stay in touch with your users is through product emails. Let’s go through a few SaaS product emails you SHOULD send your subscribers. a.  Welcome emails Sending welcome emails is not only the first step you take to build a lasting relationship with your subscribers but also, it’s one of the few emails that your user is psychologically ready to open and read. When someone visits your website, it is because they have high intent to use/purchase your product/service that they end up submitting their email id at your disposal. 74% of subscribers expect to receive a welcome email. – (Source) Here are a few tips to keep in mind while creating your welcome email: Include a summary of your software and its capabilities.Avoid overloading the email with too much information.Keep it short and precise.Try to adhere to the recommended 50-150 word limit.Provide links to the right resources.Deliver relevant emails through personalized content.Make your text appealing, so your readers engage better.Pairing text with images makes your email a visual treat. “Welcome emails generate 4x more opens and 5x more clicks than regular email marketing campaigns”. – b. Product updates (Source) b. Product updates One of the biggest SaaS email marketing lessons I have learned is from a podcast where Hiten Shah speaks about product updates and how to do it right. ( ). Have you ever come across a situation when one of your customers churned because they believed your tool doesn’t have a specific feature or integration? But, in reality, your tool does have it, and the only hurdle between them and that feature is a single click of a button. Your customer was, unfortunately, *sigh*, merely unaware of it. The Startup Chat If it hasn’t happened to you yet, here’s some saving grace. Firstly, Hiten advises SaaS marketers NOT to send product update emails for every tiny fix. You only want your customers to take notice when you have an update that’s useful to them. Alongside publishing these big announcements as in-app notifications, sending weekly or monthly product update emails not only keeps your customers informed but also gives them a sense of how your business is driven to solve their problems. Take a look at the sample product update email above. Instead of merely listing feature/product updates, Help Scout addressed the problems users can solve with the recent releases. Organize them under categories and add in a bunch of supporting images, and there you have it, the ideal product update email! Here are some tips to help you: Decide on a product update email send frequency and adhere to the schedule.Make sure you follow-up with users who personally requested the feature update.List the benefits, not just the features.Make it visually easy to process the information. c. Newsletters Ah, Newsletters– the easiest email marketing hack in the book! They work just as well for SaaS as they do for any other B2B business. Once you identify your target audience, craft elegant newsletters with a collection of share-worthy content. Here are some tips for creating a compelling newsletter email: Follow a standard format for all your newsletters.Maintain a minimalistic design.Ensure you do not include too many advertisements.Balance educational content with promotional content.Do not distract the reader with too many CTAs.Think of a killer subject line for the email. d. Promotional emails This kind of marketing email needs no explanation. They are no different from the promotional emails you receive from B2C companies. It’s just the incentive that varies. You could be offering reduced pricing, extended free trial, discounted add-ons, and much more. While sending promotional emails, you should be aware of the following: Too many promotional emails may annoy subscribers and lead them to unsubscribe.Use design-rich templates to achieve higher click-through rates.Ensure your SaaS promotional emails are time-sensitive offers. f. Feedback emails Nobody, I say nobody can judge your services better than your customers. Set your user expectations straight and understand the problems your customers face by sending a straightforward feedback request email. Apart from identifying pain-points and user-experience issues, customers feel valued and appreciated when they receive an email asking them for their feedback. Make sure the email is crisp and short and includes the following details: Your expectation as a business from the survey. How much time it will take for them to complete the survey.If you want more responses, toss in an incentive too. Apart from the emails discussed above, you’d have to send emails, , amongst others. onboarding emails transactional 4. Build your brand Irrespective of whether your brand is active on social media or other channels, being a part of the SaaS environment, there’s no easier way to building brand awareness than sending emails. Standardized email templates: Standardizing email marketing templates is one of the easiest ways to reinforce brand recognition. Ensure all your emails follow a common theme or template to make it instantly recognizable. It means getting your company logo, the essential communication details, and also the fonts and colors right.Setting the tone right: Being a SaaS marketer can be demanding, especially since your service or product is on the cloud. There is a branding tip; marketing gurus swear by. It’s to decide on a personality for your brand. It could be professional, friendly, colloquial, or even just plain right neutral. Once you decide on it, make sure you stick to it across all communication channels and marketing resources. As for your emails, write persuasive, relevant copies that speak your customers’ language, and that’s what makes a successful email campaign. 5. Leave the rest to A/B tests If you are new to email marketing to a SaaS clientele, you might find it challenging to devise the perfect copy, graphics, subject line, and other design elements. To achieve impactful results, you’d have to decipher the right combination of elements that make up your . And, there isn’t an easier way to achieve this than . email campaign A/B testing Before you begin A/B testing, kindly erase the presumption that running A/B tests is a singular task. It isn’t a one-time thing. It demands your patience and discipline to deliver effective results. For starters, you may A/B test the email with a shorter subject line versus a longer one. Next, the winning variation is tested for two different email copies. Likewise, the winning variation is then tested for different versions until you see an apparent crowd favorite. 6. Use email automation to save time and money From all the tips, tricks, and suggestions I have bestowed upon you throughout this article, you may have noticed that a considerable chunk of them would require the assistance of a handy-dandy tool. To acquire leads, market, and eventually sell your product to them, unleash the power of email marketing automation, that is, if you aren’t one of the 49% of businesses using already. email marketing automation some form of email automation What are you waiting for? for Freshmarketer now, and we’ll see you on the other side! Sign up I guess I’ve run out of tips, but if you feel like there’s a tip I missed that’s worth sharing, feel free to comment below!

How To to Win at SaaS Email Marketing [Top 6 Tips]

All data in computer is represented in binary i.e. in 0 or 1. Computers or machines do not understand our languages, they understand bits. Generally programmer do not care about operations at the bit level. But sometimes a programmer has to dive in a deeper level and work on bits. Bits representation In programming, an n bit integer is stored as a binary number that consists of n bits. So a 32-bit integer consists of 32 bits and 64 bit integer consists of 64 bits. In C++ programming language int data type is 16-bit, 32-bit and 64-bit type. . see here Here is the bit representation of 32 bit int number 10: 00000000000000000000000000001010 In C++, is either or and so a bit representation is either or . int signed unsigned signed unsigned In a signed representation, first bit represents the sign of a number (0 for positive and 1 for negative), and remaining n-1 bits contains the magnitude of the number. There is a connection between a signed and an unsigned representation. A signed number equals an unsigned number . -x 2^n – x -x (signed) = 2^n - x (unsigned) a = ; b = a; :: << a << ; :: << b << ; int -10 unsigned int std cout "\n" /* -10 */ std cout "\n" /* 4294967286 */ In a signed representation, the next number after is , and in an unsigned representation, the next number after is . 2^(n – 1) – 1 -2^n – 1 2^n – 1 0 Bit Operations We can use & operator to check if a number is even or odd. If then is even and if then is odd. We can also say that, is divisible by exactly when x & 1 = 0 x x & 1 = 1 x x 2^k x & (2^k – 1) = 0. corresponds to multiplying by , and corresponds to dividing by rounded down to an integer. x<<k x 2^k x>>k x 2^k Common Bit Tasks Binary representation of unsigned int : { ( i = ; i > ; i = i/ ) { (num & i) :: << ; :: << ;
	} :: << :: ;
} void binary ( num) unsigned int for int 256 0 2 if std cout "1 " else std cout "0 " std cout std endl Setting Bit at position : { mask = << position; num | mask;
} int set_bit ( num, position) int int int 1 return Getting Bit at position : { bit = num & ( << position); bit;
} bool get_bit ( num, position) int int bool 1 return Clearing Bit at position : { mask = << position; num & ~mask;
} int clear_bit ( num, position) int int int 1 return Representing Sets Bits representation of an integer are 0-indexed and the index starts from right side i.e. least significant bit. So we can represent every subset of the set as an bit integer and whose bits indicate which element belongs to the subset. If bit at index 3 is 1 and at index 4 is 0 in binary representation of a number, then 3 belongs to the subset and 4  does not belong to the subset. {0, 1, 2, ..., n-1} n For a 32-bit integer, the set is {0, 1, 2,…, 31} and the subset is {1, 3, 4, 8}. The binary representation of the set is: 00000000000000000000000100011010 and decimal representation is 2^8 + 2^4 + 2^3 + 2^1 = 282. Code to form subset and add elements to it: { subset = ;
	subset = subset | ( << );
	subset = subset | ( << );
	subset = subset | ( << );
	subset = subset | ( << ); subset;
} int add_elements_to_subset () int 0 1 1 1 3 1 4 1 8 return Code to print elements of the subset: { ( i = ; i < ; i++) 
	{ (subset & ( << i)) :: << i << ;
	}
} void printing_subset ( subset) int for int 0 32 if 1 std cout " " Additional functions The g++ compiler provides the following functions for counting bits: • : the number of zeros at the beginning of the number • : the number of zeros at the end of the number • : the number of ones in the number • : the parity (even or odd) of the number of ones __builtin_clz(x) __builtin_ctz(x) __builtin_popcount(x) __builtin_parity(x) Originally posted at ProgrammerCave Reference: Competitive Programmer’s Handbook, by Antti Laaksonen

Stories, News & Mentions about CLEARBIT

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