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

OpenAI are quietly adopting skills, now available in ChatGPT and Codex CLI - 12th December 2025
GPT-5.2 - 11th December 2025
Useful patterns for building HTML tools - 10th December 2025

gis 57 google-maps 53

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