Mozilla Labs has launched a new extension for Firefox browser called 'F1'.This extension allows the users to share links across a variety of social networks and services. Currently this extension supports Facebook,Twitter, GMail, Google Apps and Yahoo! mail, as they are popular services. For this extension to work the user need to setup the accounts to share and after setup the they need do a single button click on the F1 toolbar icon to share.
To download visit https://addons.mozilla.org/en-US/firefox/addon/252539/
After installing the extension click on the toolbar button on the top-right corner of the browser. This brings up a pop-up asking you to setup the accounts to share(see figure1).Click on the button which will open another tab to configure the accounts(see figure2).
After configuring the accounts users can share the links with those accounts with a single click.