In less than a week, Pokémon Go has nearly surpassed Twitter in daily active users, netted Nintendo investors billions of dollars, and led a Wyoming teen to becoming an unwitting aid in a police investigation. So, in light of its ubiquity and rapid topical ascent, let this two-minute guide serve as a Pokémon Go starting point for the uninitiated who want to see what the fuss is about and give it a try.