Understanding The Spread Of Sports Betting

Ding. I see a notification from my boyfriend. I open it to see an invitation to an app, Underdogs. I roll my eyes already knowing the string of texts that are about to be sent my way. Regardless, I click on the link. It says that if I open an account and put in five dollars my boyfriend will receive $100. This is sports betting. A world of recycling money that never seems to end up back in the hands of the bettors. However, as the users grow rapidly how do they all claim to be “winners”?