>> Everybody talks at once.
>
>This is a good point. I will start asking presenters how they would like to handle questions. Perhaps we can work on a Q/A etiquette. Something like...
>
>Type "Q" if you want to ask a question. When the presenter or host address you with "Go ahead "Mr/Ms X", ask your question.
>
>Or is this too formal?

Typically these things have a moderator. Only the presenter and the moderator can speak. Questions are send to the moderator via private message. He then posts them for response. I know IRC can handle all this. Can the UT Java interface handle private messages?