This is just so awesome. And like the audience at TED, Mister Bijou found himself clapping too. Jeff Han: youtube Thanks, Rick and Nick S!
Digging around, Jeff Han also has a webpage (with more video): Multi-Touch Interaction Research
The youtube clip is from the very worthwhile exploring: TED
Previously featured on Mister Bijou, link to the (video) talk by Dr Larry Brilliant: TED webcast 2006