A casino is a building or room where games of chance and gambling take place. There are casinos on the Las Vegas Strip, in Atlantic City and in other major cities around the United States. There are also small card rooms and game machines on cruise ships, at racetracks and in truck stops. Casinos generate billions of dollars each year for the companies, investors and Native American tribes that operate them, as well as for local, state and federal governments. But studies show that compulsive gambling deprives communities of spending on other forms of entertainment, and that the costs of treating problem gamblers and lost productivity largely offset any economic gains.

Security is a major issue for casinos. Casinos spend a huge amount of money to ensure that people can gamble without being cheated or scammed. In addition to obvious methods like spotting palming, marking and switching dice or cards, security personnel watch for less obvious routines and patterns. The way that dealers shuffle and deal cards, the placement of betting spots on the table and expected reactions and motions by players all follow certain patterns that are easy for security personnel to spot when something doesn’t match up.

Changing trends in gaming and other forms of entertainment are challenging casinos to keep up with. Some are experimenting with ways to boost engagement by offering virtual reality and augmented reality experiences that bring new audiences into the gaming environment. Others are focusing on ways to offer more food and entertainment options, elevate existing games and expand mobile marketing to reach millennial and Gen Z customers.