Social bookmarking sites update and display recently added lists and popular links. It enables you to get the updated information you are looking for. They also enable viewing bookmarks associated with a chosen tag, and include information about the number of users who have bookmarked them. The main feature of social bookmarking is the ability to share, which is incredibly difficult to do using the browser’s bookmarking feature. With local bookmarking, the user need to manually copy all of the addresses that bookmarked into a separate text file or a chat box for sharing with friends; with social bookmarking.