I'm stressed and running late, because what do you wear for the rest of eternity? This makes it sound like I'm dying, but it's the opposite. I am, in a way, about to live forever, thanks to the AI video startup Synthesia. For the past several years, the company has produced AI-generated avatars, but today...

This is today's edition ofThe Download,our weekday newsletter that provides a daily dose of what's going on in the world of technology. An AI startup made a hyperrealistic deepfake of me that's so good it's scary Until now, AI-generated videos of people have tended to have some stiffness, glitchiness, or other unnatural elements that make...