Simon Willison’s Weblog

What the heck is HTML 5? Slides from my five minute HTML 5 talk at Oxford Geek Night 2.

Posted 12th April 2007 at 2:41 pm

Recent articles

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
Living dangerously with Claude - 22nd October 2025

html 90 oxfordgeeknight2 7 oxford-geek-nights 20 speaking 117 my-talks 90 whatwg 16

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