How are you, hacker? How are you, hacker? 🪐 What’s happening in tech today, July 27, 2025? The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. On this day, Frederick Banting Discovers Insulin in 1921, IBM Introduced System/360 Model 20 in 1964, First Commercial Jet Made Test Flight in 1949, and we present you with these top quality stories. From Complete Gemini CLI Setup Guide for Your Terminal to From Chatbots to Guardians of Data: How BChat Harnesses AI for Secure Messaging, let’s dive right in. HackerNoon Newsletter homepage On this day, Frederick Banting Discovers Insulin IBM Introduced System/360 Model 20 First Commercial Jet Made Test Flight Complete Gemini CLI Setup Guide for Your Terminal Complete Gemini CLI Setup Guide for Your Terminal From Chatbots to Guardians of Data: How BChat Harnesses AI for Secure Messaging From Chatbots to Guardians of Data: How BChat Harnesses AI for Secure Messaging AI Agents Are Growing Up - And They Need Zero-Trust Parenting AI Agents Are Growing Up - And They Need Zero-Trust Parenting By @hacker54743034 [ 8 Min read ] AI is evolving fast, but security isn’t keeping up. Discover why zero-trust architecture is critical for safe, scalable AI agent deployment. Read More. @hacker54743034 Read More. Scrape Smarter, Not Harder: Let MCP and AI Write Your Next Scraper for You Scrape Smarter, Not Harder: Let MCP and AI Write Your Next Scraper for You By @pigivinci [ 11 Min read ] Build AI-powered web scrapers using MCP and Camoufox to automate HTML fetching, XPath generation, and script writing directly within your IDE. Read More. @pigivinci Read More. From Chatbots to Guardians of Data: How BChat Harnesses AI for Secure Messaging From Chatbots to Guardians of Data: How BChat Harnesses AI for Secure Messaging By @beldexcoin [ 5 Min read ] AI is often associated with collecting personal data but what if AI helped protect user data? Read to know how BeldexAI protects your data on BChat. Read More. @beldexcoin Read More. Why Teams Are Ditching DynamoDB Why Teams Are Ditching DynamoDB By @scylladb [ 2 Min read ] Discover why teams are moving from DynamoDB to ScyllaDB—for lower latency, reduced costs, multi-cloud flexibility, and better performance at scale. Read More. @scylladb Read More. The Ultimate Guide to Lower Your AWS Storage Costs The Ultimate Guide to Lower Your AWS Storage Costs By @n2w [ 2 Min read ] Learn how to reduce AWS storage costs with smart tiering, lifecycle policies, and automation—plus pro tips for using N2W to optimize backups and archives. Read More. @n2w Read More. A Human-centred Framework for Designing Complex AI Solutions for Strategic Decision-making A Human-centred Framework for Designing Complex AI Solutions for Strategic Decision-making By @v3d [ 7 Min read ] The practical framework helps designers, data scientists, and engineers find common ground, aligning the voice and needs of users with the design of AI systems Read More. @v3d Read More. Arweave: The Webs Forever Storage Layer Arweave: The Webs Forever Storage Layer By @ariophil [ 4 Min read ] With Arweave, a cloud user will never see decades of memories, files, and photographs disappear in an instant. Read More. @ariophil Read More. Complete Gemini CLI Setup Guide for Your Terminal Complete Gemini CLI Setup Guide for Your Terminal By @proflead [ 5 Min read ] Bring Google’s Gemini AI to your terminal with Gemini CLI. Learn how to install, use, and unlock powerful developer tools—100% free. Read More. @proflead 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 ✌️