Are your hands tired of the Wii's fishing rods? This is nonsense. Apple is on guard of the health of earthlings - now you will move with your whole body.
This “input device” “recognizes” your entire body, not just your finger on the screen. They write: "The silhouette may contain more information than the position of the stylus or even a keystroke." Apparently, this is a prototype, but the prospects are transcendental - take a look at how Steve prints. And a set of movements can be, after all, probably, you can choose: do you want - disco, do you want - wushu. ')
PS: There is a big picture: img511.imageshack.us/img511/9868/Tecisionq5.jpg