hi. Social networking sites are web-based services, with a large online community. Websites like Facebook, MySpace or Twitter provide social networking services which bring people together all over the world by allowing them to get to know each other in an online environment. This interaction is likely to include families, friendship and romantic and group relation.With the help of networking, it can help people make friends and to search to find some personal relationship and families can stay in touch more easily. Nowadays, huge number of people connects to networking sites and it also increases the number of relationship. The websites combine many internet features into one: personal profile, blogs, places for photos and videos, the latest news about music groups, user groups, and more. People use social networking sites to developing business contacts and maintaining contact with them. Websites like LinkedIn can be convenient place for professionals to meet and talk about business. Developing business contacts on the internet is most of the time easier and faster than offline.