Mozilla’s Firefox 4 version after receiving many bug fixes and other updates, now it is providing support for bit.ly account. The bit.ly account sharing option will come up with F1 sharing add-on that are exclusively desgined for Firefox 4 version. This add-on will also provide you the track statistics for your shares along with other bit.ly links.
F1 also offers better security by storing Oauth information in the browser. The autocomplete function for F1 add-ons has also been improved, and now the dropdown function of F1 can also be used by the Linux users- as it provides a quick option to update the post, if you are posting a message to a group, Facebook wall or via a direct message on Twitter.