Drones will soon be as ubiquitous as cell phones. (That's basically what they are: flying cell phones.)
http://www.wired.com/dangerroom/2012/06/ff_drones/all/
http://diydrones.com/
http://www.youtube.com/watch?v=JTWmOHedrXw
What will the world be like, with these large plastic mosquitoes hovering everywhere around us?
Will FedEx develop a new form of air mail? Will drones be armed?