How do you sign out of facebook?

[Bonzo]

Click on the 3 bars... i have no 3 bars???

[Andrew]

Click on the 3 bars, the button in the top left corner then scroll to bottom and click on log out

[stanley]

if you have the new facebook interface click on the gear icon it's on the far left beside the lock icon. After you clicked the gear icon click on logout. hope this helps

[Divas]

in your profile you can see settings and accounts and all. click on account and you will see log out. do that.