A social network service essentially consists of a representation of each user, his social links, and a variety of additional services. Most social network services are web based and provide means for users to interact over the internet, such as e-mail and instant messaging. Although online community services are sometimes considered as a social network service in a broader sense, social network service usually means an individual-centered service whereas online community services are group-centered. social Networking has many Application Domians like, Government Applications, Business Applications, Dating Applications, Education Applications, and Medical Applications.
Social Networking has many features like:
- Provide easy communication
- Ability to create groups that share common interests
- Supports mobile social networking
- Allows professionals to exchange information, opportunities, and ideas.