SpaceTop 3D

The interface between computer and human beings evolution starts from punched card and tape in very old time, to keyboard and mouse yesterday, touchscreen today, wearable devices like Google Glass and iWatch in voice control tomorrow. 

In near future most likely human would be totally naked - with bare hands making gesture and eyeballs movement to instruct computer what to do.

Read more: http://www.wired.com/business/2013/02/amazing-3d-desktop/