The Message Me application will be shutting down, allowing us to focus on helping build the best mobile communications products for Yahoo users.
If you have a Message Me account, you will be able to login and access your messages until November 7, 2014.
Click the tab labeled "Labs" in the "Settings" menu.
Scroll down to the section titled ""Text Messaging (SMS) in Chat."Select the button labeled "Enable" and then scroll down to the bottom of the page.
Whether you've misplaced your cell phone or simply find typing text messages on a keyboard much easier, Gmail's SMS feature is a nice feature to use.