Touch driven user interface

This video shows Jeff Han, researcher at NYU 's Courant Institute of Mathematical Sciences, talking about his multi touch interaction research. The video is already one year old, but worth seeing it again.

[flash]http://www.youtube.com/watch?v=QKh1Rv0PlOQ[/flash]

I cannot imagine what the UIs of computers and software will look in 10 years. After seeing this video it is kind of strange using a mouse and keyboard.