When fully matured, “visual search” will allow you to point your smartphone at just about anything and instantly receive information about the thing you are looking at. Right now, it is really good at identifying businesses and buildings (using gps data and maps), books and CDs (using character recognition). So, you can get reviews, background info, lists of similar things and, of course, links to purchase.
The potential applications for training and performance support seem endless. The first thing that comes to mind is this: instead of putting people in a class or in front of a computer, why not have them tour and environment using augmented reality to discover it’s properties? With some simple game-logic, students could be given a challenge to discover a location (like a historical site), find vital information and solve problems…all without having to sit down.