The Firefox add-on adds a Facebook shortcut to the sidebar for quick access.
One great feature of this add-on is that it is cross-platform and functions seamlessly on all popular operating systems, including Mac OS X, Windows, and Linux. So, regardless of which device you are using, you will always have instant access to your Facebook account.
Overall, the [Facebook] Shortcut Firefox Edition extension is an essential tool for any Facebook user who wants to streamline their online activity and reduce the time they spend accessing their social media accounts. Highly recommended!