Gamification, the technique of borrowing principles from game design to nudge behavior, promises motivation wrapped in fun. It has taken hold for a reason—it works. At least in the short run. Our products now nudge us at every turn. Fitness apps keep us running (literally) after digital rewards; loyalty programs make us strategize our coffee orders like it’s the Olympics; and even financial markets have started to feel more like Vegas, where winning means flipping assets before the music…
