Simon Willison’s Weblog

Twitter / MarsPhoenix. NASA’s Mars Phoenix lander, due to land on the planet today, has a Twitter account. Bio: “I dig Mars!”.

Posted 25th May 2008 at 7:41 pm

Recent articles

First impressions of Claude Cowork, Anthropic's general agent - 12th January 2026
My answers to the questions I posed about porting open source code with LLMs - 11th January 2026
Fly's new Sprites.dev addresses both developer sandboxes and API sandboxes at the same time - 9th January 2026

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