http://www.cnn.com/video/#/video/tech/2009/11/06/stout.hk.augmented.reality.cnn

Basically, a Heads-Up Display for pedestrians.  Now rather than looking somewhat idiotic walking around peering down at your cell phone as you try to figure out directions to a place, you can look even more idiotic roaming around holding your phone up in front of you and walking into people and trash cans and open sewers!