A social networking website is a place where people can go, set up a personal page, interact with other members and network. Social networking portals allow internet users to build relationships whether professional, social and friendly by way of creating a community, exchange of information through text, images and videos. Social networking portals have become more popular because people are using them not only to build relationships or share information but they can also advertise their business.
It has become a free platform to reach the direct customers and enlist them with direct business offers. So anybody interested in the entering online business this is actually a great option since now a days many business are promoting their products on Social Networking portals such as face book, my space etc. In terms of traffic social networking portals are competing with google and other social networking website. Though they are many social networking sites ranging from big sites eg: face book to smaller sites aimed at specific niche such as Ravelry, a social networking site for people who like to sew.