There's also the types that fold like a book with a second screen on the outside. So when folded, it's like a thick normal phone, but when unfolded it's like a

There's also the types that fold like a book with a second screen on the outside. So when folded, it's like a thick normal phone, but when unfolded it's like a small tablet. I've never quite understand the appeal of the flip-style foldable, seems like the only advantage is taking up less space in your pocket.