Haye Kesteloo reports at DroneXL: “Hundreds of millions of Pokémon Go players spent years filming the streets, parks, and buildings around them to earn in-game rewards. Those roughly 30 billion environmental scans are now owned by Niantic Spatial, and they helped train a camera-based navigation model that a U.S. defense contractor is preparing to put into drones and other military robots. Most of the players had no idea.” The data is being used for a visual navigation system (VPS) that can operate even when GPS signals are jammed or otherwise unavailable.

[Warning: The linked page is extremely resource intensive, eating up 6-7 GB of RAM on my machine, which is pure nonsense for a web article.]