They stated this was not the final form, they weren't showing that off.It just looks awkward and uncomfortable.
Thats what I first thought when someone at work told me there were people doing folding phones. I couldn't think that it could work because of the stresses on plastic would break over time. In my mind the phone would be folding with the screen on the inside and I thought that you couldn't possibly have a crease that sharp that would unfold.Unless they can somehow make it as thin as current phones, while folded... which doesn’t seem very likely any time soon. I certainly don’t want to carry around a brick.
But I wasn't thinking that the bend would be on the outside which makes it a lot easier since the radius on the outside is much larger.
Then I did some reading and saw that currently available radius seems to be 5mm which is thinner than current iPhones
I'm old enough to remember carrying around both thick and thin phones including flip phones. People use to drool over the motorola v3, which I think is way cooler than any smart phone.