#8 A swarm of nano quadrotors 8,136,290 views on You Tube

Since it was first posted on January 31, 2012. This is an amazing video showing multiple nono quadcopters flying in formation under computer control. Only one pilot directs the entire swarm. This is the future of drones in the military as well as in performing arts. This is similar technology to that developed for the Cirque du Soleil show called Sparked. It was developed at the University of Pennsylvania.