X Open-Sourced Its Latest Recommendation Algorithm Today. Here Are 10 Things Every Creator Needs to Know

After X open-sourced the For You recommendation algorithm, creators should stop obsessing over likes and focus on replies, reposts, retention, account profile, reply leverage, and search long tail.

May 15, 2026 · David Zhang

Why We Need World Models to Replace Chatbots

Three years in, models are 100x more capable. Why is AI still just a chat box? The chat box is the Nokia of the AI era. From chatbots to agents to wearables plus world models — here’s the next decade of AI product evolution.

April 25, 2026 · David Zhang

I Built an Open-Source macOS Voice Typing Tool

Typeless charges $12/month for a straightforward feature set, so I built a free alternative. Hotkeys, permissions, audio recording, status feedback, text insertion — five modules that each looked simple and each fought back. A record of the technical choices, pitfalls, and design decisions along the way.

April 10, 2026 · David Zhang

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