Quadcopters (uses)

1. transferring power to lightbulbs through the air, like a flying power outlet. http://www.techthefuture.com/energy/scientists-turn-quadcopters-into-flying-power-stations/ 
2. hover bike (uses the same tech as quad copters, but can carry a much greater weight. http://www.dailymail.co.uk/sciencetech/article-2737833/Fly-like-Stormtrooper-Amazing-video-showcases-futuristic-hoverbike-set-sale-not-size-set-45-000.html
3. Multiple quad copters catch and throw balls by moving together like a swarm.  https://www.youtube.com/watch?v=tWzt0COWnJo
4. Quadcopters and airplanes fly and navigate obstacles autonomously. http://www.acceler8or.com/2012/11/encouraging-developments-in-quadcopters-w-lots-of-video/
5. using xbox kinect to make qudcopters follow gestures. http://www.acceler8or.com/2011/12/quadrotors-will-do-everything-well-almost/
6. quadcopter that uses gps to navigate. http://www.gizmag.com/3d-robotics-iris-gps-guided-quadcopter-drone/28818/