One of them was being able to operate a device "blind," in other words, when not looking at it. You could reach into your pocket or purse to send a call to voice mail or to pause music.
A flexible phone could be instructed to take a photo when it's bent properly, he also suggested. I was skeptical, given the camera motion, but he also predicted that image stabilization advances will take care of that problem.
Another idea is scrolling through e-mail while walking, when it can be tough to precisely control an ordinary user interface.
And--unlike multitouch screens--it can be operated when you're wearing gloves.
I'm a bit skeptical, especially given that it requires two hands. But I could come around, especially if a one-handed device came around. And something flexible would be nice for fitting in a pants pocket, too--as long as sitting down didn't flex the phone and make it call somebody.
next revolution is coming to us.