If the government gets its way, it could force a breakup of the social-media giant. One analyst asks: “Without Instagram and WhatsApp, what really is Meta?”

Meta headed to court on Monday to face the Federal Trade Commission's accusations it illegally built a social media monopoly

Meta CEO Mark Zuckerberg took the stand on Monday in a historic antitrust trial that could force the tech giant to break off Instagram and WhatsApp, startups it bought more than a decade ago that have since grown into social media powerhouses.