What is Social Bookmarking ? and what is benefits of it ?

Social bookmarking is a method for web users to store, organize, search, and manage bookmarks of web pages on the Internet with the help of tags or keywords on sites such as, Facebook, Twitter , Reditt , Myspace Digg or Del.icio.us. All These sites are very popular for Social Bookmarking. All these will help you to increase more traffic on your sites.

There are huge collections of social bookmarking sites that is available on the internet that will submit your description or shared web links on it. This helps you in accessing bookmarks from any computer with online access. These bookmarks can either be public or private. If public, your favorite bookmarks visible for others to view and follow as well, hence the social networking aspect. Social bookmarking has become a great tool in building web presence and promoting a business on the Internet. In addition, if you place your links wisely and know which social bookmarking sites offer dofollow links, this strategy will also help your search engine optimization (SEO) efforts.

Social Bookmarking Websites like Facebook , twitter ,digg, reddit , stumbleapon , Myspace are social bookmarking sites where users post links to websites.

Benefits :- 
1. It is important because they drive traffic to websites.
2. Your Post may be public or Private , its depends on you what you want.
3. Increase the websites pagerank.
4. Rapid Indexing.
5. Quality Backlinks.