Multi Touch User Interface
Jeff Han demonstrates—for the first time publicly—his intuitive, "interface-free," touch-driven computer screen, which can be manipulated ... all » intuitively with the fingertips, and responds to varying levels of pressure. Han is a research scientist for NYU's Courant Institute of Mathematical Sciences. (Recorded February 2006 in Monterey, CA. Duration: 09:32) closeup of usage of multi touch interface
longer presentation at TED Conference