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

Claude Skills are awesome, maybe a bigger deal than MCP - 16th October 2025
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Claude can write complete Datasette plugins now - 8th October 2025

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