4 years ago:
Pranav Mistry: The thrilling potential of SixthSense technology | Talk Video | TED.com
SixthSense - a wearable gestural interface (MIT Media Lab)
Well, all this "magic" evolved into a marketing "talk" with Samsung...
SAMSUNG Reveals GALAXY GEAR SMARTWATCH - Pranav Mistry at Unpacked IFA 2013- HD - YouTube
Pranav Mistry, Head of Samsung Think Tank Team presenting Samsung Galaxy GEAR
If he continued improving his MIT demo, Facebook would buy it for a $1B :)
But with Samsung, it may become a real product... would be nice.