Social networking sites gain huge amount of traffic. It is a well-known term for majority of people. Especially in the schools and colleges, it’s hard to see students who do not know about social networking. In fact, this concept has started in the college and the popular networking site called Facebook was started by students. These days, social networking sites act as a wonderful marketing media. Also it is reliable to accept any product of service that is approved by many people. There are different kinds of social networking such as Facebook, twitter etc., Linked In is the professional networking website.