How are you, hacker? đŞ Whatâs happening in tech today, July 20, 2025? The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. On this day, Humans Land on the Moon in 1969, Viking 1 Lands on Mars in 1976, Pierre Lallement Arrived in the U.S in 1865, and we present you with these top quality stories. From The Ultimate Guide to Lower Your AWS Storage Costs to From Chatbots to Guardians of Data: How BChat Harnesses AI for Secure Messaging, letâs dive right in. Coinzilla Delivers 75M+ Impressions, Powering Bitgetâs 120% Growth in One Month By @coinzilla [ 3 Min read ] The results demonstrate how targeted campaigns, effective publisher selection, and real-time optimization can drive scalable growth for crypto brands. Read More. From Screens to Streets: How Field UX Research in Morocco Helped Redesign Intercity Booking By @indrivetech [ 6 Min read ] Discover how inDrives Intercity team used UX research in Morocco to test a redesigned, step-by-step booking form. Read More. 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 automationâplus pro tips for using N2W to optimize backups and archives. Read More. Complete Gemini CLI Setup Guide for Your Terminal By @proflead [ 5 Min read ] Bring Googleâs Gemini AI to your terminal with Gemini CLI. Learn how to install, use, and unlock powerful developer toolsâ100% free. Read More. Could Bitcoin Finally Be âMooningâ? By @paulquickenden [ 4 Min read ] The on-chain data has been flashing bull-mode for months but macro conditions have made this one of the weirdest climbs weve seen. Read More. Why Teams Are Ditching DynamoDB By @scylladb [ 2 Min read ] Discover why teams are moving from DynamoDB to ScyllaDBâfor lower latency, reduced costs, multi-cloud flexibility, and better performance at scale. Read More. 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. Playwright MCP Server Is Here: Lets Integrate It! By @brightdata [ 10 Min read ] Letâs uncover what the Playwright MCP server brings to the table, and how to use it with the OpenAI Agents SDK. Read More. đ§âđť 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 âŹď¸âŹď¸âŹď¸ 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 âď¸