There are several kinds of networking, such as Social networking. Social Network include Facebook, myspace, twitter and so on. Many people use these social networks as a way to stay in touch with family, friends and social event. Not everyone uses facebook, but it has its pros and cons. Pros are that you can stay in touch with friends and family, you also can play game and join groups that suit your interest. Cons are that a lot of your personal information is exposed, people can become addicted to social networking. Statistics from www.graphicsms.com show that 47% of online adult use social networking and 73% of teens and young adults are members of at least one social network. also from the same website the average user spend more than 55 minutes per day on a social networking site and that more than 1.5 million local businesses have an active facebook page.Right now Facebook and twitter are the most popular social network sites to date, myspace is used less because facebook is easier to use, better games, and you can chat easier on facebook.With Statistic from Lemieux and Associates Facebook’s search function allows you to search within a variety of networks (i.e. university, employer, city, metropolitan area, high school) depending on which networks a person has become a member of. If a person is within your network due to geographical location, you may have access to certain content that other users don’t. They also have a variety of other tools that could be used against you, such as if you were being investigated and they wanted to track some of the things you have said all they would have to do is go to any of the Social Network that you visit they caould potentially find out some of the things they need to know.