I let an AI assistant shop for me and the reviewers got nothing

There’s a new kind of AI in town, and it’s all about you. Which is to say you, personally—these are the new personal AI assistants that go by names like Muse, Dots, and Grok Bot, and they’re ready to dismantle much of the friction in your life. Need to research a trip, book a restaurant, or choose between healthcare plans? With the right context, they can handle it all for you, complete with a smile on their mascot-like avatars. But just how does one of these assistants recommend what to buy?...