I meant where the phone shows you visually like the subway finder in the video. The VZW Navigator on my phone supposedly does that for you, but I've been led on wild goose chases more than once. It'll tell me that there's an ATM in front of me, when all there is is a brick fucking wall. :crash:
Well never rely on technology too much is what I say, the human body is a pretty impressive bit of kit already. This is merely an indication of the sort of things we might expect in the near future, so interesting on the basis of any potential use.