Microsoft Copilot Gets a Full Rebuild, and Julie Zhuo on What Personal AI Is Missing

Microsoft just rebuilt Copilot from scratch around three modes — Home, Code, and Autopilot — and called it "a new OS for work." Julie Zhuo is asking a sharper question: why hasn't personal AI actually gone mass market yet? Both items are really about the same underlying problem: AI tools that technically work but haven't figured out what job people are actually hiring them for.