Simon Willison’s Weblog

A GIS newsletter describes the server-side tech behind Google Maps (via) Apparently it’s using Telcontar’s Drill Down Server, with extensive customisations.

Posted 23rd February 2005 at 4:11 pm

Recent articles

My Lethal Trifecta talk at the Bay Area AI Security Meetup - 9th August 2025
The surprise deprecation of GPT-4o for ChatGPT consumers - 8th August 2025
GPT-5: Key characteristics, pricing and model card - 7th August 2025

gis 56 google-maps 53

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