What's That Thing Hanging Outside My Bathroom Window? My Neighbor's Drone

Here's something new, exciting and just a little bit troubling: it's a little robot that you can fly with your phone. It's easy. It's versatile. It's got cameras so you can see and record what's going on in the apartments above you, the houses on your block, in backyards, sports fields. Nice, yes. But what happens to privacy if these things become very popular?