How are you, hacker? How are you, hacker? 🪐 What’s happening in tech today, April 20, 2025? The
           HackerNoon Newsletter
          brings the HackerNoon 
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          straight to your inbox.
          On this day,
          
           we present you with these top quality stories. 
          
            From 
        Escape Prompt Hell With These 8 Must-have Open-source Tools
       to 
        How Clapper is Revolutionizing the Creator Economy,
       let’s dive right in. HackerNoon Newsletter homepage On this day, Escape Prompt Hell With These 8 Must-have Open-source Tools Escape Prompt Hell With These 8 Must-have Open-source Tools How Clapper is Revolutionizing the Creator Economy How Clapper is Revolutionizing the Creator Economy How Clapper is Revolutionizing the Creator Economy How Clapper is Revolutionizing the Creator Economy By @clapper [ 5 Min read ] Clapper is a new social media platform for content creators. Read More. @clapper Read More. Embeddings 101: Unlocking Semantic Relationships in Text Embeddings 101: Unlocking Semantic Relationships in Text By @riteshmodi [ 14 Min read ] Text embeddings power AI language understanding. Learn how words become numbers that machines can interpret and why it matters. Read More. @riteshmodi Read More. Hallucination by Design: How Embedding Models Misunderstand Language Hallucination by Design: How Embedding Models Misunderstand Language By @riteshmodi [ 11 Min read ] Embedding needs to be tested and evaluated; otherwise, hallucinations will happen. Experiment and evaluation on custom data is a must Read More. @riteshmodi Read More. Google A2A - a First Look at Another Agent-agent Protocol Google A2A - a First Look at Another Agent-agent Protocol By @zbruceli [ 5 Min read ] Google A2A - a first look at another agent-agent protocol and compared to Anthropic’s MCP. Read More. @zbruceli Read More. Hallucinations by Design - (Part 3): Trusting Vectors Without Testing Them Hallucinations by Design - (Part 3): Trusting Vectors Without Testing Them By @riteshmodi [ 8 Min read ] Embedding and LLMs needs to be tested and evaluated or hallucinations will happen. Experimentation and evaluation on custom data is a must - openai and genai Read More. @riteshmodi Read More. Is Web3 Advertising Finally Solving Its Targeting Problem? Addressable  Sevio Expand Web3 Ads Reach Is Web3 Advertising Finally Solving Its Targeting Problem? Addressable  Sevio Expand Web3 Ads Reach By @ishanpandey [ 2 Min read ] A new partnership between Addressable and Sevio will enable programmatic display ads on major crypto platforms, making web3 target more efficient.  Read More. @ishanpandey Read More. Bybit’s $1.5 Billion Hack Proves Crypto’s Biggest Flaw Isn’t the Blockchain Bybit’s $1.5 Billion Hack Proves Crypto’s Biggest Flaw Isn’t the Blockchain By @janinegrainger [ 3 Min read ] This past month, hackers stole a staggering $1.5 billion from the crypto exchange Bybit in what the market dubbed “The biggest digital heist ever” Read More. @janinegrainger Read More. Escape Prompt Hell With These 8 Must-have Open-source Tools Escape Prompt Hell With These 8 Must-have Open-source Tools By @albertlieyeongdok [ 6 Min read ] Discover 8 powerful tools transforming prompt engineering from trial-and-error into scalable systems—featuring visual workflows, auto-tuned prompts, and memory- Read More. @albertlieyeongdok Read More. 🧑‍💻 What happened in your world this week? It's been said that
          writing can help consolidate technical knowledge,
          establish credibility,
           and contribute to emerging community standards.
          Feeling stuck? We got you covered ⬇️⬇️⬇️ writing can help consolidate technical knowledge establish credibility and contribute to emerging community standards ANSWER THESE GREATEST INTERVIEW QUESTIONS OF ALL TIME ANSWER THESE GREATEST INTERVIEW QUESTIONS OF ALL TIME We hope you enjoy this worth of free reading material. Feel free to forward this email to a nerdy friend who'll love you for it.See you on Planet Internet! With love, 
 The HackerNoon Team ✌️

Bybit

The HackerNoon Newsletter: Your Career Is Not Your Personality. Sorry. (4/21/2025)

The HackerNoon Newsletter: Where Were You When the World Shut Down? I Was on BreachForums. (4/19/2025)

What's New in the HackerNoon Newsletter?

The HackerNoon Newsletter: How Clapper is Revolutionizing the Creator Economy (4/20/2025)

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