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

The last six months in LLMs, illustrated by pelicans on bicycles - 6th June 2025
Tips on prompting ChatGPT for UK technology secretary Peter Kyle - 3rd June 2025
How often do LLMs snitch? Recreating Theo's SnitchBench with LLM - 31st May 2025

google-maps 53 heatmaps 3 mapping 54

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