Social bookmarking is a method for Internet users to share, organize, search, and manage bookmarks of web sites. In a social bookmarking system, users save links to web pages that they want to remember and/or share. They're public, and can be saved privately or shared only with specified people or groups. Those allowed,view the bookmarks chronologically, by category or tags. Many social bookmarking services provide web feeds for their lists of bookmarks, including lists organized by tags. People with common interests create their own community and all benefit from sharing information.  There is a great opportunity to bookmark your blog posts to the bookmarking sites to create one-way links leading back to the blog.  A customized business blog that offers valuable content can build more site visitors at the same time improve how search engine measure the importance of your blog and your web site.