Simon Willison’s Weblog

zipdecode (Java Applet). Type a zip code (try 66044) and watch the USA get narrowed down. Brilliant.

Posted 17th September 2004 at 9:37 pm

Recent articles

Trying out the new Gemini 2.5 model family - 17th June 2025
The lethal trifecta for AI agents: private data, untrusted content, and external communication - 16th June 2025
An Introduction to Google’s Approach to AI Agent Security - 15th June 2025

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