Casinos are usually physical institutions that can service only a fixed number of people, regardless of size. This is further limited by the number of guest rooms a casino can offer to guests. To offer service to more people requires the addition of more game tables and slot machines as well as more guest rooms and therefore more dining area. This, therefore requires the increase of the building itself. This is a large endeavor and can be of prohibitive cost. Thus, the growing number of casino enthusiasts are often left unserviced.
Fortunately, the advances of computer and communications technology have allowed the opening of online casinos. Casino Online literally allows more players to play in games without the otherwise necessary costs described above. Online players stay at home or at the office or remote casino stations and thus relieve the need to house these people with more rooms. This also negates the need for a larger dining area. Also, since remote players do not physically occupy a space in a table like roulette, more people can play on a single spin.