The future is open. Stop what you're doing and watch this...
http://www.ted.com/talks/pattie_maes_demos_the_sixth_sense.html And this project is going open source: http://www.pranavmistry.com/projects/sixthsense/ Seriously. I have goosebumps. This is the product of smart people following their ideas, and it's all yours. (via http://www.boingboing.net/2009/11/12/sixth-sense-technolo.html)