One word: WOW!!!!
Okay maybe some more: This video really just made me drop my jaw in awe about an incredible idea which makes me really look forward to the (near) future.
With a simple web cam, projector, mirror and internet connection this devices presents you the world with your fingertips. When looking at and touching objects or people in front of you - it pojects additional info onto those objects. It's so simple but REALLY inspiring. You really gotta watch the whole video.