Simon Willison’s Weblog

New Negative Campaign Ads Blast Voters Directly. Beautiful.

Posted 16th April 2004 at 5:04 am

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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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