Messenger in Yahoo! Mail Classic to be shut down
At Yahoo!, we’re focused on making your daily habits more inspiring and entertaining. That means we’re constantly reviewing our products and experiences and in some cases, have to make tough decisions to no longer support a product.
After much thought, we have decided to shut down Messenger in Yahoo! Mail Classic by March 22, 2013. This means that you will no longer be able to send IMs to your contacts from Yahoo! Mail Classic.
Please note that you still have two possible ways to use Yahoo! Messenger: