Simon Willison’s Weblog

Four reasons why public Facebook status updates won't kill Twitter. Mike Butcher highlights the importance of “follow” rather than “friend” in social software.

Posted 9th February 2009 at 7:04 pm

Recent articles

What happens if AI labs train for pelicans riding bicycles? - 13th November 2025
Reverse engineering Codex CLI to get GPT-5-Codex-Mini to draw me a pelican - 9th November 2025
Video + notes on upgrading a Datasette plugin for the latest 1.0 alpha, with help from uv and OpenAI Codex CLI - 6th November 2025

facebook 117 follow 3 friend 1 mike-butcher 3 social-software 7 twitter 160

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