Failbook is set up to showcase all the wins, fails and facepalms that haunt the spidery halls of Facebook (and other social networks). So what is a "fail," and how do you know if you're committing one? See more »

With more than 800 million members and counting, Facebook is one of the fastest-growing phenomena to come out of a college dorm room. What do you know about Facebook? See more »

Social networking is popular -- there's no doubt about it. And motorsports has plenty of fans, too. But is there a social network where race fans can go to discuss the sport they're so passionate about? See more »

There are lots of social networking sites out there, but few of them are aimed at parents. On BabyCenter, you can talk to other parents and find answers to all your questions. See more »

Bebo is one of the most popular social networking sites in the world. It's part of the AOL family of Web sites, but what else sets it apart from the competition? See more »

BlackPlanet.com was launched amid a crowded sea of overhyped Internet startups, but it didn't take long to establish itself as the premier social networking site for African-Americans. You can even drop the President a line if you like. See more »

Moms have always been social. But now they've got a place to talk online. So what's so different about CafeMom and why do so many moms love it? See more »

A lot of people are passionate about their cars. But is there any place online -- some kind of social network -- where they can go to do a little showing off? CarDomain just might be the answer. See more »

In the 30 years that chat rooms have been around, social networking sites have evolved into sophisticated and complex systems. Chatango.com caters to our need for real-time communication online. See more »

How many of you have lost touch with an old school friend? Classmates.com was founded to help people reconnect with one another. But why is the site so restrictive? See more »