A social networking site that targets goal-setting, members are interlinked by the goals they are going after and the goals they have completed.One of the oldest social networks, and the most popular special interest social networking site, BlackPlanet caters to African-Americans.A social network centered around video allowing people to upload their own video clips. engage in video chats with other members, and send video e-mail.Green living beyond just social networking, Care2 offers email, blogging, shopping, and more, all catered to those wishing to live a green life.Founded in 1995, Classmates was one of the first social networks on the web and still caters primarily to schools and colleges. Classmates charges a fee for advanced services that are usually free on other social networking sites. The website also uses questionable marketing practices by emailing non-paying users and inviting them to pay for the premium service under the pretense that someone was searching for them.A social networking site aimed at mobile users, Dodgeball interacts with mobile devices to send text messages to your friends alerting them to your status online.A social network targeting teens, eCrush is the 21st century&#39;s answer to writing &#34;Do you like me?&#34; on a piece of paper with a boxes for yes and no and a request to check the one that applies. Teens tell eCrush who they have a crush on, and then eCrush asks those people who they have crushes on. If there is a match, eCrush lets both know, otherwise, the person is none the wiser.With a tagline of &#34;stop watching bad movies,&#34; Flixter combines social networking with movie reviews.A social network with virtual world elements, Gaia Online has an anime, comics, and gaming theme. Members can create their own avatar, earn gold by participating in the network, purchase items in virtual shops, visit virtual towns, and more.Billing itself as a social music site, Last.fm allows members to create their own radio station that learns what the person likes and suggests new music based on those interests. In addition to this, you can listen to the radio stations of friends and other Last.fm members.A business-oriented social network, members invite people to be &#34;connections&#34; instead of &#34;friends.&#34; Linkedin is a contact management system as well as a social network, and has a question-and-answer section similar to Yahoo! Answers.A social network with an event organization theme, Meetup allows members to organize anything from political rallies to spontaneous bar hopping.A music-oriented social networking site, Mog allows members to upload their playlists and keeps track of what members are listening to on their computer.A social network targeted at a person&#39;s real world social network, Multiply offers blogging, photo sharing, book and movie reviews, with an emphasis on sharing these not with the public at large, but with your friends and family.Launched in 1998, MyFamily focuses on the family unit as a social network and helps families that are spread out all over the country and the world keep in touch. A very Web 1.0 feel to the network, MyFamily is entering beta on a new Web 2.0 look and feel.<p>Targeted at finding lost friends, family, and old classmates, Reunion is one of the few social networks that require payment for premium features usually found for free on other social networks. According to the <a href="http://en.wikipedia.org/wiki/Reunion.com" data-component="link" data-source="inlineLink" data-type="externalLink" data-ordinal="1">wiki entry for Reunion</a>, they once had an F rating with the Better Business Bureau for misleading business practices.</p>Concentrating on social music, Soundpedia allows users to upload their playlists, search for new music, and view the playlists of their friends.<p>A social network dedicated to social activism, Take Part was established by Participant Media, the company behind such films as An Inconvenient Truth and Syriana.</p>An acronym for &#34;Where Are You Now?&#34;, WAYN is a social networking site aimed at travelers around the world.A social blogging site that combines social networking elements with blogging. Members earn credits for participating in the site and can spend credits on various things such as buying mini-pictures to post in the comments of a friend&#39;s blog.A business-oriented social networking website similar to LinkedIn, most of Xing&#39;s users are located in Germany.