Visual Google?

Imagine being able to point your cameraphone - or any device with a lens connected to the network for that matter - at anything, and doing a search on it. It's being worked on. The technical barriers are obviously pretty high, but it seems to me that this once again changes our feelings about space around us. It's a subtly different vision from the idea that everything is connected. In this scenario, everything can have its context explored or added to on the fly.....