If you haven't had your media overdose on augmented reality yet, or, even better, tried it, you soon will - and with good reason. Augmented reality, AR to its close friends and acquaintances, is here.  On my phone.  In my hand.  Now. Long a staple of sci-fi and speculation, real, effective and useful AR for the masses hit the iPhone app store last week.  Right now I'm looking at a real time view of the world through my iPhone, and that view is tagged with current and useful information about what I'm seeing.  If I search "coffee shop" and point my phone in any given direction, the phone knows where it is, so it can tell me something about what I am looking at. It shows me information about and the approximate location of the coffee shops that are in that direction. But more about that in a second. (more...)