According to this Washington Post story, a new report reveals that slot machines are manufactured to trick players. The machines often use positive reinforcement, in the form of celebratory sounds, to convince gamblers they have won when they are actually losing their money.
“The World Cup has a gambling problem” | Deseret News
By Ethan Bauer Overshadowed by the Spain-Argentina final, rampant betting advertisements cast a dark shadow of their own. Click here