Multitouch is one of those things that everyone can understand is great. People look at it and get it and want it. It's a big reason why the iPhone is what it is.

Now, of course, there's still the gorilla-arm problem if you want to put it on a wall, but Cintiq or table-style, no problem. Folks out there should be thinking two or three steps ahead on this technology, I try to.

Keep your eye on Perceptive Pixel:

Article: http://www.fastcompany.com/magazine/112/open_features-cantto...

Demo: http://light.vpod.tv/?s=0.0.135867

Fascinating speculation: http://informationrain.com/2007/06/10/resolution-independenc...