How do people watch movies? That is to say, what do they look at in a given scene, and what do they ignore? It's been a hard thing to study, at least until the invention of eye trackers that can pinpoint exactly what you're looking at.
The thought police have finally arrived. These prototype Lifelogging glasses from Sony Computer Science Laboratories, take the idea of recording your life to an entirely new and potentially frightening level.
This bus stop ad, recently erected in Hamburg, Germany, changes whether or not someone's looking at it. Using a built-in camera with eye-tracking technology, it can tell exactly when someone is checking it out. It uses this to get across...