For those landed here by curiosity, welcome to SixthSense, watch now https://youtu.be/YrtANPtnhyg
Nobody wants a camera & projector attached to their head. Gesture based interfaces are universally terrible, even if they look cool in films. You probably underestimate how much you move your head around while looking at things. Projectors don't work well in daylight. Etc. Etc.
Cool tech demo though.
The whole thing was hyped as “open” and liberating. Nothing was released until the hype died down (2011). What was released was not even close to the talk, it gained no traction and never iterated past v0.1.
SixthSense was a prime example of deliberate misinformation coming from academia. MIT Media Lab won a huge number of awards, Mistry was touted as a genius, and then absolutely nothing happened.
Which was previously discussed on HN at https://news.ycombinator.com/item?id=26725370