When Mark Zuckerberg laid out his “personal superintelligence” vision over a year ago, he was thinking about what Meta released today: Muse, an AI agent with its own computer that works for you around the clock. His ambition, he tells me, is to “give every person in the world a very capable personal agent that can understand their goals and can just work on their behalf 24/7.”I sat down with Zuckerberg at Meta headquarters last Friday, and I’ve been trying Muse for the last several days. I’m imp...