Can you have attendees in GoToWebinar talk or text "chat" to each other during a live 500 attendee event?? If you can't - PLEASE - change it so they can. It is terrible that there is no way to ha...
in the meantime, you may want to find a free java chat applet and run it on your site, for text only chat; that you have people log into parallel/in addition to g2w. personally i don't like public chat since competitors/flames/ could be posted; but some use it