Casino is a place where people can gamble and play games of chance. Casinos are primarily known for the gambling that takes place there, but many offer other amenities such as restaurants, hotels and non-gambling entertainment. Some casinos are huge megacasinos that have numerous floors and games, while others are small, intimate establishments.
Casinos earn money by allowing patrons to wager on various games of chance and by charging fees for these services. In addition, they often give away free goods or services (known as comps) to high-volume players. Comps are generally given in the form of food, drinks, hotel rooms, show tickets or limo service. Most casinos have a specialized department that tracks player behavior and rewards frequent patrons with perks like these.
Security is a major concern for casino operators. Because large sums of money are handled within a casino, both patrons and staff may be tempted to cheat or steal, either in collusion or independently. As a result, most casinos have elaborate security measures in place. Security personnel typically monitor gambling activity through closed circuit television and other technological means.
In addition to this, some casinos use a variety of other techniques to prevent cheating. For example, some table games have special chips with microcircuitry that allow security personnel to track betting patterns and spot suspicious activities. Additionally, some tables are monitored from above by surveillance cameras that watch over the action through one-way glass. This technology has been used in casinos since the 1990s, and it is constantly being improved.