When Pokémon Go launched last summer, 40 million people were playing the game within weeks. The game provided entertainment, an excuse for kids to get off their asses, and a slew of funny — and not-so-funny — accidents involving pedestrians and drivers playing the game in the wrong place and time. This phenomenon was also the first time many Americans had ever heard of or experienced “augmented reality,” where artificial elements (like Pokémon) are superimposed onto our physical surroundings.