Multitouch, Microsoft Surface and NUI Ideas.
Why do you hate to admit it? He's got a couple years head start on most of us when it comes to this stuff, and it's good to see he's still pushing the tech forward. He has one of the few companies setup to actually profit from the large amount of R&D and design needed for any truly useful multi-touch system.Plus, when people get excited about his stuff, that eventually trickles down to products like surface and windows 7 when they realize they are an order of magnitude cheaper. :)