"Part nomadic infrastructure and part robotic swarm, we have rebuilt and programmed the drones to broadcast their own local Wi-Fi network as a form of aerial Napster. They swarm into formation, broadcasting their pirate network, and then disperse, escaping detection, only to reform elsewhere,” says the group describing their creation."(Source)
I think that may be more concept than reality, but they do seem to fly nicely. It was for a festival last year.