This is my Substack newsletter which bundles several posts together into a weekly-ish email - the original post for this one was https://simonwillison.net/2026/

This is my Substack newsletter which bundles several posts together into a weekly-ish email - the original post for this one was https://simonwillison.net/2026/Jan/12/claude-cowork/ https://simonwillison.net/2026/Jan/12/claude-cowork/