Drones hijacking other drones in midair!

Would you like to hijack the pizza-delivery drone of your neighbor? Or perhaps the new Amazon Prime Air drone?

SkyJack runs on a Raspberry Pi attached to a Parrot AR.Drone 2 and can take over other drones flying nearby. Then it can either instruct them to do something or you can just watch what they do via SSH. It is written in Node.js and Perl.