Meta's Muse: Killer app? Security nightmare? Both? NPR | By Connor Donevan, Tinbete Ermyas, Sacha Pfeiffer Published September 30, 2026 at 5:59 PM EDT Facebook LinkedIn Email Listen • 8:15 Meta's AI Assistant has been downloaded millions of times. It could change the way we experience the internet, it'll just need a whole lot of your personal data first. Copyright 2026 NPR