This is brilliant, or at least there’s the potential for brilliance. Imagine being notified that an old friend you haven’t seen for years is just down the road, or that someone else with your taste for obscure Japanese Bonsai forms is just a few feet away. mates from the Uni of Michigan is the first step towards making this reality. Of course, way too few people have a PDA with GPS for this to be as cool as it could be, but there are still possibilities, particularly with mobile phones. (via we make money not art)