Greetings
On UI (and more):
http://www.ted.com/talks/lang/en/pranav_mistry_the_thrilling_potential_of_sixthsense_technology.html
and the source is here:
http://code.google.com/p/sixthsense/
<wonder> are any such things showcased in India? </wonder>
On copyrights (and the spam/bloat/FUDTalk associated with it):
http://www.ted.com/talks/rob_reid_the_8_billion_ipod.html
Enjoy!
--
Regards,
Rajagopal