Some online chat rooms also incorporate audio and video communications, so that users may actually see and hear each other. These are typically implemented by an external process such as an IRC bot joining the room to conduct the game. The rules are generally posted before entry, either on a web page or an MOTD-type banner in the case of IRC and other text-based chat systems.
Rules usually do not allow users to use offensive/rude language, or to promote hate, violence, and other negative issues. Chat rooms often do not allow advertising or "flooding", which is continually filling the screen with repetitive text.
It offered several channels, each of which could accommodate up to five people, with messages appearing on all users' screens character-by-character as they were typed.
The primary use of a chat room is to share information via text with a group of other users.
Generally speaking, the ability to converse with multiple people in the same conversation differentiates chat rooms from instant messaging programs, which are more typically designed for one-to-one communication.
Various sites, such as Yahoo, provide a directory of chat sites.
Others, such as MSN Web Communities, guide users through the steps required to create their own chat room.