And yet last week a simple light show with quad-copters didn't manage to go as planned: https://www.stuff.co.nz/travel/travel-troubles/126582371/its-raining-dro

And yet last week a simple light show with quad-copters didn't manage to go as planned: https://www.stuff.co.nz/travel/travel-troubles/126582371/its-raining-drones--dozens-fall-from-the-sky-in-light-show-fail-in-china https://www.stuff.co.nz/travel/travel-troubles/126582371/its... Now I don't think those drones costed 10USD each, they probably costed more and even having them doing a light show is very hard.