The gambling industry online casinos consists of various casino sites, each with its own advantages as opposed to real casinos. One of the most important advantages of online casino sites is that online games are accessible to users, while in order to play a game in a casino players must move. Also the cost of online games is much lower compared to real casino games. They have a friendly interface for new players and even allow them to make small bets as long as they learn to play. There are many casino sites dedicated to a single game, generally poker, and others that offer different types of casino games such as roulette, blackjack and craps, as well as slot machines and even bingo. To attract new players, online gambling sites offer free bonuses and bets for new entrants.