I remember reading a couple of years ago about swarms of drones that would be used to police an area, and I feared that some governments around the world would

I remember reading a couple of years ago about swarms of drones that would be used to police an area, and I feared that some governments around the world would REALLY love this idea.. mass control, mass spying protests etc. Reading about deploying a swarm of drones to make this planet a better place makes me restore a bit more faith over human kind.