How to change Printer Toner with Augmented Reality

Here is a quick demo showing the potential of watching how-to's with Augmented Reality and a smart phone. I bet we will see much more of this when the smart phone is common place.

One idea that would be cool, is to be able to point your cameras phone at a piece of equipment and get the exact model, cost, part/ink/toner replacement, order parts, email service, call techsupport or any other number of things.