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Prevent Facebook from tracking you on other websites - Mozilla …
Videos won't play in Facebook | Firefox Support Forum - Mozilla …
What causes Firefox to crash when I'm on Facebook (doesn't seem …
How to fix sluggishness and freezing up on Facebook | Firefox …
Facebook says I am using an unsupported browser | Firefox …
Fix problems with Facebook games, chat and more | Firefox Help
I want to disable the facebook notifications that pop up when I …
Profiles - Where Firefox stores your bookmarks, passwords and …
How to clear the Firefox cache | Firefox Help - Mozilla Support
Firefox won't open YouTube or Facebook webpages