One of the popular activities on the web is taking part in web chats - collaborative applications, which provide the mechanism to take part in a dialogue between two or more users in real time. A useful addition to any web site is the ability to group users by interests in separate chat rooms. Some sites allow participation in chat without registration, but most do not, as registering can provide a safer chat and more precise controlling. An even more secure environment for chatting, is where the chat is monitored by administrators or moderators, who watch chat processes and remove threatening traces, preventing their occurrence in the futur..
