Sweetness. It's like even better than minority report. So you've got a phone with no screen and just a power button..how does that work?
Oh of course, it has a projector and some gesture recognition software equipped to a camera. Amazing. This is very similar to the SixthSense technology developed at MIT. SixthSense is different in that it projects a sort of augmented reality to what the user is seeing, whereas the above hardware is only for interaction with the device. Here are links to a video and an article about SixthSense:
