Simon Willison’s Weblog

Hack Day at the Guardian. Video of the demos from the first Hack Day at the Guardian. I presented a crowdsourcing app I used to collect annotations for an SVG map of the UK.

Posted 18th November 2008 at 5:58 pm

Recent articles

Hacking the WiFi-enabled color screen GitHub Universe conference badge - 28th October 2025
Video: Building a tool to copy-paste share terminal sessions using Claude Code for web - 23rd October 2025
Dane Stuckey (OpenAI CISO) on prompt injection risks for ChatGPT Atlas - 22nd October 2025

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