The Mozilla team has created an extension for Firefox called simply F1Such an extension allows you to share links to the pages you're visiting with your friends on Facebook, Twitter and Gmail, all in a very visually appealing and easy, then you have a screenshot.
How can you see the extension adds a button on top right side which when pressed will displayed in the top of the page an interface for either compratir Twitter, Facebook and Gmail the link with a description, this does not really offer anything again not many sites have already integrated into them, as this site has buttons to share on Facebook and Twitter, but what caught my attention F1 is its interface and ease of use.
Link to download F1-ons.
