Send SMS and Chat Directly From Yahoo! Mail Classic
Perhaps because do not want to lose with GMail that is already so popular, at this time when you log in to Yahoo! Mail, there is a new feature.
Feature to send SMS and chat via YM directly from Yahoo! Mail. With this feature, member can do a lot of fun things, like: check mailbox and sort messages, check YM and MSN status, and send a short message (for the service are supported).
This feature is in new version Yahoo! Mail ( classic version waiting for some time again, maybe.)
For more information, you can check it through Yahoo official blog.