‘You were the product the whole time’: Pokémon Go fans react to quietly being used to help robots deliver pizza

Walking down the street to scavenge for creatures like Snorlax and Squirtle was a regular 2016 activity, as the world was introduced to augmented reality (AR) games thanks to Pokémon Go.

But now, 10 years later, images captured by players looking to “catch them all” are helping Niantic Spatial—a spinout of Niantic, the San Francisco–based company behind the game—teach robots to navigate the world more effectively by building a highly accurate Visual Positioning System.

“It...