Casinos are places where people can gamble for money. They can be large resorts like those in Las Vegas, or small card rooms operated out of bars, restaurants, or even Native American tribal casinos. The gambling industry brings in billions of dollars each year for the businesses, investors, and the local governments that license them. Gambling is a high-stress activity, so casinos try to persuade people to spend their time and money there by offering them perks. These perks are often free drinks or discounted meals and show tickets. Casinos also use bright colors to stimulate the senses and encourage gamblers to spend more money.

Many casino patrons are addicted to gambling, and casinos help them to keep coming back by offering perks and keeping track of their spending habits. Some casinos have special rooms for high-stakes gamblers that are separate from the main floor. These areas have better lighting, noise reduction, and privacy to reduce social pressure on the gamblers. They also provide higher limits on certain games.

Other casinos focus on the customer experience by rewarding frequent players with comps that are similar to airline frequent-flyer programs. These reward systems often include cards that the player swipes or inputs when playing games to tally up loyalty points. The player may then redeem these points for cash or for free slot play, food, or drinks. Some casinos also offer complimentary hotel stays, shows, or other prizes. This type of marketing is called gamification.

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