Sixth Sense Device
(click on link above to watch a presentation)

Found it very interesting. Only thing which would be challenging for this technology to come out would be how they will be able to reduce the wires running around his neck and the back pack i see him carrying the laptop i guess. He is a smart guy, so will surely find a way to fix this issues.

Wireless solar charged Camera in one of the shirt button or a pen could be one idea i guess.