Many policy update in the free service in the internet this day. Google have disontinued their free GoogleApps, and now comes to Yahoo with YahooMessenger.
Yahoo! Messenger Public Chat Rooms
The Yahoo! Messenger Public Chat Rooms will close down on December 14, 2012.
Yahoo! Messenger Pingbox
As of December 14, 2012, Pingbox will no longer be available on Yahoo! Messenger. If you’ve installed Pingbox on your blog or social networks, please click here to learn how to uninstall it.
Yahoo! Messenger interoperability with Microsoft Windows Live Messenger
Yahoo! Messenger will no longer be interoperable with Microsoft Windows Live Messenger as of December 14, 2012. Microsoft buddies will still appear on your Messenger contact list, but they will be greyed out, and if you try to send instant messages to them, the messages will not be delivered.
Yahoo! Voice Phone In and Phone Out feature
Effective January 30, 2013, we will no longer offer Yahoo! Voice Phone In and Phone Out capabilities, our co-branded landline and mobile phone service from Jajah. As of today, users can no longer add new funds to their accounts, and active users who currently have a balance in their accounts will receive emailed instructions in December from Jajah on how to request a refund. You can find more information on how to ask for a refund here, and you can contact Jajah with any questions at yahoovoice@jajah.com. Free Messenger-to-Messenger calls will still be offered through Yahoo! Messenger.