"Gamification" as we know it has become increasingly common since the late 2000s. And proponents say adding game-like features to non-game activities — especially boring ones — can make us healthier, happier, and more productive. But Adrian Hon, who has made a career out of 'gamifying' mundane activities like jogging, says the trend has gone awry. Today on the show, Adrian argues that companies are using gamification to confuse, manipulate, or coerce people into doing things they wouldn't have done otherwise. For sponsor-free episodes of The Indicator from Planet Money, subscribe to Planet Money+ via Apple Podcasts or at plus.npr.org.