Jeff Blank, of Los Angeles-based Drone Dudes, prepares a quadcopter for takeoff. The drone has to chase a motorcycle down a hill. Aarti Shahani/NPR hide caption

itoggle caption Aarti Shahani/NPR

Merrill uses a drone to take aerial shots of Santa Cruz, Calif. Courtesy of David Merrill hide caption

itoggle caption Courtesy of David Merrill

North Dakota farmer Jim Reimers shows off one of the drones he uses to collect data on his family's 30,000-acre farm. Steve Henn/NPR hide caption

itoggle caption Steve Henn/NPR

In this image taken from video and released by SITE Intelligence Group, Anwar al-Awlaki speaks in a video message posted on radical websites in November, 2010. SITE Intelligence Group/AP hide caption

itoggle caption SITE Intelligence Group/AP

Drone Journalism Lab researcher Ben Kreimer is limited to testing drones indoors. Courtesy of Drone Journalism Lab hide caption

itoggle caption Courtesy of Drone Journalism Lab

A water-collecting drone hovers at a testing site in Lincoln, Neb., in 2013. The Federal Aviation Administration is working on rules for the commercial use of unmanned aircraft. Nati Harnik/AP hide caption

itoggle caption Nati Harnik/AP

In this image taken from video and released by SITE Intelligence Group, Anwar al-Awlaki speaks in a video message posted on radical websites in November, 2010. SITE Intelligence Group/AP hide caption

itoggle caption SITE Intelligence Group/AP