Here is the video link,
http://www.ted.com/index.php/talks/p...xth_sense.html
This demo, from Pattie Maes' lab at MIT, spearheaded by Pranav Mistry , was the buzz of TED. It's a wearable device with a projector that paves the way for profound interaction with our environment.
Imagine "Minority Report" and then some.
for more info,
http://www.pranavmistry.com/