[TChad]

I suspect that these devices will be used in ways we have not dreamed of. They will permit small objects to be deposited or retrieved anywhere there is access by air, and they can take videos in previously private and previously inaccessible locations.

As for violating FAA rules, how are you going to catch the remote-control operator sitting in his van looking at a computer display?

I wonder if the little helicopters can be made to fly silently.

[Moltke]

I wonder if the little helicopters can be made to fly silently.

Sure: as soon as their rotors stop moving air. ;-)

[Ramius]

What we’ll need is a little backyard motion-sensing defense system to shoot down any neighbor’s drones that stray in. Or— better yet— string some hot wires high over the backyard like a great big bug-zapper. :-)