I logged onto Gmail on a public computer system yet I do not bear in mind if I logged out.
Exists any kind of means to compel that computer system to logout without returning to it?
Scroll to all-time low of your inbox web page and also click "Details" by Last account task.
alt text http://i47.tinypic.com/rc61d3.png
On the screen that turns up, click "Sign out all various other sessions."