Asiantown
www.asiantown.net
An Asian online community offering chat, forums, dating, picture rating and more. 

Bebo
www.bebo.com
Bebo which is based on the phrase “blog early blog often” is a social networking site, international in scope and offering similar features to My Space and Facebook.

BlackPlanet
www.blackplanet.com
BlackPlanet is an online niche social-networking site targeted especially for the African American community.

Classmates.com
www.classmates.com
Classmates is a social network that helps members find, connect and keep in touch with friends and acquaintances from throughout their lives — including kindergarten, primary school, high school, college and the U.S. military.

Facebook
www.facebook.com
Facebook is a social networking site that allows users to join and connect with one or more networks in the categories of school, work, or geography.

Flixter
www.flixter.com
A free online database of information about films and actors with a social networking component allowing members the ability to review, rate and compare films with others. 

Friendster.com
www.friendster.com
Social networking site used mostly in Asia and is based on the Circle of Friends and Web of Friends techniques for networking.

Hi5
www.hi5.com
A social networking site in which users create an online profile to showcase their interests, age, hometown, pictures, music and can accept new friends into their “network”

Linkedin
www.linkedin.com
A business-oriented social networking site used mainly for professional networking.

MiGente
www.migente.com
An online niche social-networking site targeted especially for the Latino community.

Myrl
www.myrl.com
An upcoming social network for virtual world fans which hopes to allow fans of all worlds to showcase their avatars and creations with friends from other virtual worlds.

Multiply
www.multiply.com
A social networking site that allows users to share media - such as photos, videos and blog entries - with their "real-world" network.

MySpace
www.myspace.com
Teens and Adults
My Space is a social networking site and the fifth most popular site on the internet. It offers features such as interactive, user-submitted network of friends, personal profiles, blogs, groups, photos, music and videos for teenagers and adults internationally.

myYearbook
www.myyearbook.com
A social networking site which is over 90% American and was one of the top ranked destination sites for teens ages 12 to 17.

Piczo
www.piczo.com
An online photo website-builder and community where members can also share member-generated content.

Orkut
www.orkut.com
A social networking site, owned my Google that allows members to create their own communities. Orkut is most active in India and Brazil.

Quepasa
www.quepasa.com
Quepasa is a U.S.-based Spanish and English online social network with both content and services of interest and relating to Hispanics.

Reunion
www.reunion.com
An online social network with both free and paid memberships in which members use their real names, not screen names to networking with each other.

Tagged
www.tagged.com
Tagged.com is a social networking site which included slides and YouTube as part of its offerings. It allows members to send messages, leave comments, post bulletins, play games, chat and more.

Tickle
www.tickle.com
Tickle is a test site with over 200 tests divided along topic lines such as entertainment, style, careers, relationships, mind & body, teens, lifestyle and family. 50 are PhD-certified.

Xanga
www.xanga.com
A social networking site used mostly by teens in which members receive their own web site made up of a weblog, a photoblog, a videoblog, an audioblog, a "Pulse" (mini-blog), and a social networking profile and the option of joining or creating their own blogrings "groups".