Meta Launches AI Agent Muse

Meta launched Muse, a cloud-based AI agent, on Sept. 8. Within two weeks, more than 2.5 million people in the U.S. downloaded it, making it hit the top of Apple's App Store. The tool shops and books travel, with paid plans up to $100 a month. Partners include Walmart, Sephora, Expedia and Shopify. Amazon blocked Muse from its store.