A casino (or gaming house, or gambling establishment) is a place where people can gamble. Casinos range from massive resorts to small card rooms. Some casinos are combined with hotels, restaurants, and retail shops; others are stand-alone. In addition to gambling, some casinos host concerts and other events. In the United States, casinos are licensed and regulated by state governments.
In the United States, casino gambling began to spread nationally after New Jersey legalized it in 1978. Then, during sbobet88 the 1980s, American Indian tribes won several court decisions that permitted them to convert their bingo halls into full-scale casinos. From 1989 to 1996, nine more states legalized commercial casino gambling. In 2003, the total revenues of U.S. casinos was estimated to be around $45 billion, with more than half coming from commercial casinos and the rest from tribal ones.
The mathematically determined odds of most games give the casino a perpetual advantage over patrons, even if each player plays perfectly. To compensate for this, casinos typically offer big bettors extravagant inducements such as free spectacular entertainment, reduced-fare transportation and luxurious living quarters. Casinos also use technology to monitor their operations. For example, chip tracking systems allow them to monitor the exact amounts placed on betting tables minute-by-minute; and roulette wheels are electronically monitored regularly to discover any anomalies that might indicate cheating. Mathematicians and computer programmers specializing in this field are called gaming mathematicians and analysts. Some casinos also have one-way glass in the ceiling above their gaming floors, allowing surveillance personnel to look down directly on players and machines.