This Phantom knows where it's going

Obstacle avoidance: The DJI Phantom 4 can automatically sense and avoid obstacles in front of it

The next time you hear a buzzing overhead, take a close look – it might be one of the funky new DJI Phantom 4 drones flying in the sky.

While we like to imagine that we have interesting enough lives for someone to use one of these things to spy on us, most likely it's either a serious hobbyist or a commercial company shooting footage for a short film.