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I emailed Yahoo back asking for some time frames as to when we might see our room. Told them we had 6500 members and we wanted to make an announcement. Here is their reply
Thank you for writing to Yahoo! Messenger.
Each room request is evaluated by our Production, Abuse and Legal teams
prior to creation and we unfortunately cannot say how long the
evaluation can take. Our production team is aware of your eagerness for
the room to be created and are currently evaluating the request.
We appreciate your patience and thank you for using Yahoo! Messenger and
Yahoo! Chat.
Thank you again for contacting Yahoo! Customer Care.
Regards,
Brett
Yahoo! Customer Care