How are you, hacker? How are you, hacker? 🪐 What’s happening in tech today, April 1, 2025? The
           HackerNoon Newsletter
          brings the HackerNoon 
          homepage
          straight to your inbox.
          On this day,
          
            First Satellite Communication System Launched in 1960,  Apple Inc. Is Founded in 1976,  Gmail is launched in 2004, 
          
          and  we present you with these top quality stories. 
          
            From 
        Refactoring 025 - Decompose Regular Expressions
       to 
        Music  ML: Clustering on Spotify Audio Features,
       let’s dive right in. HackerNoon Newsletter homepage On this day, First Satellite Communication System Launched Apple Inc. Is Founded Gmail is launched Refactoring 025 - Decompose Regular Expressions Refactoring 025 - Decompose Regular Expressions Music  ML: Clustering on Spotify Audio Features Music  ML: Clustering on Spotify Audio Features Music  ML: Clustering on Spotify Audio Features Music  ML: Clustering on Spotify Audio Features By @darigain [ 7 Min read ] Discover how to apply and validate clustering techniques for curating music playlists. Read More. @darigain Read More. AI Search Traffic Marketshare for Calling HackerNoon Blogs: 52% OpenAI, 30% Amazon  18% Perplexity AI Search Traffic Marketshare for Calling HackerNoon Blogs: 52% OpenAI, 30% Amazon  18% Perplexity By @David [ 3 Min read ] Based on millions of monthly requests, HackerNoon found that OpenAI(52%) leads AI Search Market share, followed by Amazon/Anthropic(30%) and Perplexity(18%).  Read More. @David Read More. Announcing the COBOL Streamhouse Announcing the COBOL Streamhouse By @progrockrec [ 4 Min read ] COBOL implementation of Apache Kafka and Iceberg. Read More. @progrockrec Read More. The Paradox of Open Innovation - Chaos, Creation, and Collaboration The Paradox of Open Innovation - Chaos, Creation, and Collaboration By @andreydidovskiy [ 13 Min read ] Contrary to what short-term market movements, toxic headlines, and frantic degens on social media say, we are alive in the most prosperous time in history! Read More. @andreydidovskiy Read More. Refactoring 025 - Decompose Regular Expressions Refactoring 025 - Decompose Regular Expressions By @mcsee [ 5 Min read ] You can break down a complex validation regex into smaller parts to test each part individually and report accurate errors. Read More. @mcsee 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 ✌️

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The HackerNoon Newsletter: Announcing the COBOL Streamhouse (4/1/2025)

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