Sports gambling has become more popular than ever. Mobile apps make it easier to place bets anywhere or anytime, especially for young people who make up the fastest-growing demographic. And the sports betting apps work just like the games in a casino— built to ensure that the house always wins. So, what exactly are the tricks these apps use? Shannon Odell shares what keeps you playing and paying. Lesson by Shannon Odell, directed by Biljana Labović.