Yex Ling — writing, building, and the AI frontier.

Engineer & builder. I write about technology, build small products, and track what's moving in AI. Pull up a chair.

Writing

Latest posts

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Why Robots Are Still Just Big Remote-Controlled Toys

Aug 16, 2026

Why robot models generalize poorly: the conditions missing from action prediction, accidental correlations in training, and the coverage of demonstration data, plus what human video and interaction data can add.

Built

Products

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Pinaday

A calm, local-first daily notes app for macOS, built around one note for every day.

terminalboard

TensorBoard in your terminal, with a small AI assistant for training runs.

Notes

Recent notes

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Designing a printable Alice keyboard wrist rest with Codex and Blender

Jun 21, 2026

Reading: Qwen-RobotWorld — language as a universal action interface for world models

Jun 21, 2026