Drones are not like the atomic bomb. There won't be a day when suddenly we realize that a horrible new weapon has changed the world forever. Instead, one day we'll wake up and there'll have been a terrorist attack by a swarm of drones launched by hand from a park across the Potomac from Washington, DC, and no one will know where they came from or who sent them. We'll wake up one day to a drone peering in our window as preparation for a common burglary.
The price of these unmanned aerial vehicles is plummeting from two sides. On the one hand, you've got the toys like the $70 iHelicopter you control with an iPhone. This little guy even has two plastic missiles you can fire!