With just a webcam and minutes of calibration, Fable 5.2 builds a tool that tracks what you read
ChrisGPotts · x · 2026-11-12
User @MaximeRivest reports that with only a webcam and a few minutes of calibration, Fable 5.2 built a working tool in a single conversation that detects what he's reading on screen at any time.
He notes it's obviously creepy, but could be a powerful feedback signal for coding agents—automatically telling the AI which of its outputs were ignored versus actually read, so it can adapt accordingly.
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