AI agents are only as good as the personal information you share. That raises privacy concerns

Matt Robb wanted to sell his computer keyboard.So he made a listing on Facebook Marketplace — and, as an experiment late last month, he put Meta's new artificial intelligence agent Muse in the driver's seat.“I kind of went into it like a guinea pig,” said Robb, a Toronto-based content creator who regularly reviews consumer tech. He had seen Muse's plush toy-looking avatar pop up on Instagram and decided to see if the AI agent could spare him some online bargaining.Muse got to work. But within a day, Robb got an alarming update: A buyer he didn't know had shown up outside his house late at night. How? Muse had struck a deal on its own and shared Robb's home address after agreeing to a pickup. It even sent an automated “Yep, I'm here!” message from his account when the buyer arrived — all without Robb's knowledge.“Not only did it give my address when the guy asked and it accepted the offer, but it literally was almost like teasing the guy (about me being there when I wasn't),” said Robb,