Rise of the MachinesMost people see drones as a controversial weapon prowling over foreign battlegrounds. But as America's military campaigns wind down, these machines are coming home and set to change civilian lives forever.

"This is a powerful technology. No amount of hand-wringing is going to stop it", says drone expert, Peter Singer. Whether it's a floating TV station streaming live to the web, the prying lens of the paparazzi, the police chasing a criminal or a government agency spying, small domestic drones are experiencing an exponential growth.

At the world's largest drone convention in Las Vegas a salesman tells the crowd, "this can be used in law enforcement, disaster relief and industrial applications. It's also very good at dusting floors. Every home owner should have one".

And as the technology advances at a frightening speed, anyone with a few hundred dollars can buy one over the counter.

Watch the full documentary now