The HackerNoon Newsletter: AI Coding Tip 020 - Create a Second Brain (5/18/2026)

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18 May 2026

How are you, hacker?


🪐 What’s happening in tech today, May 18, 2026?


The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. On this day, Facebook went public at $38.00 a share price in 2012, The US Department of Justic and 20 states sued Microsoft for antitrust practices in 1998, India conducted its first nuclear test in 1974, and we present you with these top quality stories. From Recommendation Systems Became Political the Moment They Began Controlling Visibility to Human Progress Is Really About One Thing: Speed, let’s dive right in.

Recommendation Systems Became Political the Moment They Began Controlling Visibility


By @andreimochola [ 9 Min read ] What emerges from reading patents filed by companies like Google and Meta is not a vague idea of “recommendation,” but a very specific operational logic. Read More.

Human Progress Is Really About One Thing: Speed


By @jakewatermelon [ 13 Min read ] From the wheel to AI chips, this article explores human progress as a centuries-long pursuit of faster information transfer. Read More.

AI Coding Tip 020 - Create a Second Brain


By @mcsee [ 7 Min read ] Use Obsidian with Markdown notes, YAML metadata, and direct AI file access to build a Second Brain with LLMs that gives your tools persistent project context. Read More.


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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 ✌️