Simon Willison’s Weblog

HeatMapAPI (via) Cool (or should that be hot?) API for adding heat maps to any Google Maps application.

Posted 19th July 2008 at 11:46 pm

Recent articles

My review of Claude's new Code Interpreter, released under a very confusing name - 9th September 2025
Recreating the Apollo AI adoption rate chart with GPT-5, Python and Pyodide - 9th September 2025
GPT-5 Thinking in ChatGPT (aka Research Goblin) is shockingly good at search - 6th September 2025

google-maps 53 heatmaps 3 mapping 54

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