Sin Liang LeeSL Lee

Writing

Archive

2025–2026

  1. Hackathons Are Just Presentations: How I Run Them After 7 Wins

    Seven hackathon wins, five of them in a row. The workflow I locked in after HackMIT, and why none of it matters if the judges don't get you.

  2. The Day the Cloud’s Phonebook Disappeared: How one AWS Bug Crashed the Internet

    How a single phonebook error at AWS brought the internet to its knees (a 15-hour-plus failure).

  3. Stop Hitting Paid Rate Limits: My Free Gemini CLI Dev Setup

    Exploring free, practical alternatives to paid AI Agents with low rate limits.

  4. The Learning Species In Transition

    As AI transforms classrooms worldwide, we face a paradox: tools that make learning easier might prevent genuine understanding. What humanity does learning have left, when AI optimize everything?