Jeff Han is one of the people credited with helping develop the iPhone.
This is so kewl.
"Standing in front of a 36" by 27" screen tilted towards him, he began demonstrating how he could operate a computer using just his hands. The crowd whooped. "I think this is going to change the way we interact with computers," Han said"
And in other news…
YouTube video of Microsoft CEO Steve Ballmer laughing at it.