Holy shit. Absolutely holy fucking shit. I have seen the future, and I never would have dreamed of it. And he's open sourcing it! He says it can be made for $300!
Sadly, embedding was not available, so here is the link. About 13 min. Turn on the subtitles, otherwise he can be really hard to understand. Stay for the interview at the end. Holy shit, my mind just blew.
http://www.ted.com/talks/lang/eng/pranav_mistry_the_thrilling_potential_of_sixthsense_technology.html I will be x-posting, I think, apologies for duplicates in advance