Ava Poole has been awake for nearly 24 hours. It's 4 a.m. and she's been working nonstop on a presentation about her startup. Taylor Swift's "New Year's Day" plays. Four empty cans of Coke Zero litter ...

AI avatars of deceased people — or "deadbots" — are showing up in new and unexpected contexts, including ones where they have the power to persuade. They're giving interviews advocating for tougher ...