Simon Willison’s Weblog

Mapping the postal network. Image of a GPS trace for a unit that was left on and sent in the post.

Posted 20th December 2006 at 12:43 am

Recent articles

OpenAI are quietly adopting skills, now available in ChatGPT and Codex CLI - 12th December 2025
GPT-5.2 - 11th December 2025
Useful patterns for building HTML tools - 10th December 2025

gps 10 mapping 54

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