Surface Everywhere

check out this TED conference demo doing multitouch sort of on any where. I can totally see this when I walk up to some one and then their shirt will suddending say this guy is an idiot so I know up front whom I am dealing with...

http://www.ted.com/index.php/talks/pattie_maes_demos_the_sixth_sense.html

I totally want a 'six' sense...