Social bookmarking sites allow you to store, and share links across the internet, meaning that if you see a page on RFU.com that you want to share with other people, or save for future reference you can click on one of these links to add it to your list.

Social bookmarking the practice of saving bookmarked Web pages to a public website as a way to share the links with other Internet users: Social bookmarking is a tool that allows you to add tags and comments to your bookmarks.