Slot machines, whether played in person or online, are a casino gambling machine that pays out based on a game of chance. Typically, the slot machines feature a screen with three or more reels that spin after the player activates the game. Once the reels stop spinning, the machine will pay off the customer based on the pattern of the symbols on the displayed reels. For example, if the player were to spin three straight 7s on the machine, they would be paid out in the amount listed under that specific spin and corresponding to the bet laid down by the player. Slot machines account for nearly 70% of all casino income in the United States, and they can be one of the easiest ways for casino patrons to lose their money. However, they also provide the opportunity for the biggest payouts in the shortest amount of time of any other casino game.