AddThis for Firefox is the best add-on to make sharing and bookmarking simple. Have all your favorite web 2.0 social networking, bookmarking, blogging, and e-mail services at your fingertips. Share any page, anytime, with anyone.
Save your web history, your favorites, create simple bookmarks. Want everyone to know your great find, share with the World what you have discovered. Learn what others are viewing, the recent trends. Explore the World, from the view of your friends.