Many social networking sites are made for a specific groups of people; Facebook for college students, or MySpace for music and "partiers." However, they all have one common structure. Once you sign up for a particular site, you will be asked a number of questions such as your name, age, location, interests, marital status, and possibly a small section to write an “about me.” Many sites also encourage uploading a profile picture, and some allow you to add a “skin” or some type of multimedia to your profile. Creating a profile on a social network allows you to define yourself however you wish to be seen. You are able to share your views, and express your interests. Many people feel a sense of independence and self esteem from using these sites. Some people may even create a “second” life and get lost in an online world, completely losing track of reality. People become addicted to social networking, losing sleep over these sites, ignoring their work duties, or even their loved ones to update a status or check the latest “trending topics.” According to affiliatenetworking.com, as of April 5th 2012, the top five social networking sites are: Facebook, with an estimated 800 million users; Twitter, with an estimated 175 million users; Linkedin, with over 115 million users; Google Plus, with an estimated 90 million users; and Pinterest, which is a brand new social networking site, but is already in the top 30 most visited websites in the USA. With these sites having so many active users, it makes sense that they are prime places to advertise. These sites are users of “targeted marketing”, meaning that they use information provided by you, to decide which advertisements to show. Facebook for example, uses things you “like” to determine what ads to show in the sidebar. So if you liked a Facebook page for Thai food, the ad shown on your homepage may be a Thai restaurant that is close to your provided location. Along with your likes, Facebook uses your location, sexuality, and relationship status as means to advertise. Companies are not the only ones using the growing popularity of social n