"LOG OUT YOUR FACEBOOK ACCOUNT FROM OTHER COMPUTER" :

Sometimes we go to cyber cafe or
any other places just to open our
facebook account but forget to
log out.. No need to worry about
it, there is a way to log it out from
any other computer..
Tutorial

 * log in your account (from
anywhere)

* go to Account Settings (located
in the right side of Home)

* Choose "Security" (You will see
the below photo)

 * Go to Active Sessions (All of your
Log-ins are listed their
everywhere..)

 * Click End Activity and You will be
Logged Out..