Meta shares surged more than six percent on Wednesday, a day after the company unveiled a personal AI agent that it says can book travel, send emails and make purchases on users' behalf. Agents -- AI programs that work on their own, without a person guiding each step -- have recently unsettled users, with reports from OpenAI and other companies of models going against instructions and safety guardrails.

Meta drills down on ease of use and privacy options after spending billions overhauling its AI strategy.

Meta's new personal AI agent Muse wants access to users' email, calendars, payments, health services, and more — making the company's biggest consumer AI bet yet a major test of…

Meta has launched Muse, a personal AI agent that can handle everyday tasks and longer-term goals, with safety and privacy features.