What if you planted cameras in a couple different cities (with building owners permission), and have people try and locate them? The first to hold up a "Cam.ly

What if you planted cameras in a couple different cities (with building owners permission), and have people try and locate them? The first to hold up a "Cam.ly rules!" poster in front of the camera wins a free subscription... make it hard so you build a bit of buzz while ppl try and figure out where they are. could be an ongoing thing...