Forget Pokémon Go – Harry Potter: Wizards Unite is Niantic's next potential AR obsession

There’s never been a mobile gaming sensation quite like Pokémon Go, and in summer 2016, Niantic’s game had millions of people wandering their neighborhoods to catch digital monsters. You could see it on the faces of the people staring down at their phones as they shambled around: the excitement of catching a new Pokémon for the first time or winning a gym battle, or alternately, the frustration of the game’s many early glitches.But there might be another mobile ph