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.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.Security[#item_full_content]