Today’s Vergecast: Watch, headphones, phone: Which AI gadget is best?

So far, there have been exactly zero great AI-first gadgets. But that hasn’t stopped the tech industry from trying to figure out what shape and size these new gadgets might take, and whether any of them can best the device in your pocket. The Verge’s Allison Johnson and Victoria Song join David to rank all those shapes, from pendant to smartwatch to rectangle, to see whether there is actually a next big thing out there.