If the Police are going to follow us with drones http://www.engadget.com/2010/02/15/uk-police-nab-teen-with-30-500-drone/ Then it's only fair that we follow them with drones. http://ardrone.parrot.com/parrot-ar-drone/en/ Just trying to imagine the reaction if somebody turned up to a London demo with one of those and started videotaping the Police kettle tactics. Seeing as how photographing things in London is apparently a sign you're a terrorist.