I know Tom Emery looked into this when he chose the chatroom we are using. I do not believe there is a hard limitation in the # of users who can join a chat...if we have problems, it will be more because the server has become overloaded with too much chat activity.
For this reason, we remind everyone to please limit their chatting activities in the chatroom once the chat has begun. Let the featured guest answer questions. Limit your activity to letting the mods know you have a question to ask, and asking the question once a mod tells you it is your turn.
People who can't follow the rules will be warning, and if the problem continues, they will be banned from the chat.
Thanks in advance to everyone for their efforts to limit chaos in the chatroom tonight.