Yahoo has announced on their blog that yahoo messenger will lose some important features starting December 14th.
The features are
The Yahoo! Messenger Public Chat Rooms will close.
Pingbox will no longer be available on Yahoo! Messenger.
Yahoo! Messenger will no longer be interoperable with Microsoft Windows Live Messenger
Yahoo will no longer offer Yahoo! Voice Phone In and Phone Out capabilities from jan 30,2013.
From today, users can no longer add new funds to their accounts.
users who currently have a balance in their accounts will receive emailed instructions in December from Jajah on how to request a refund.