Toolbar Button for Facebook™ – Get this Extension for 🦊 Firefox (en-US)
Download Toolbar Button for Facebook™ for Firefox. Toolbar Button for Facebook™ lets you visit your favorite Facebook™ quickly and easily by adding a special button to your Toolbar.
7 Feb 2018 ... There is also an additional Add-on Bar icon which you can also use to open Facebook™ quickly if you do not want to place a Button in navigation ...