Call it a proof of concept, or a taste of things to come. A Harvard research group has designed a robotic fly. OK, really it's just a pair of fly-sized robotic wings... but still. How far can we be from free flying, programmable robotic cameras? It's only a matter of time.
Now. Everybody go and read Transparent Society, and then write to your congresscritters. It's still not too late.
(read the first bit here, then you'll see that you need to buy the rest).