Social Networks

Social networks cover every topic imaginable. Understanding which social networks are safe and which ones aren't is an important step.

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Have you ever stumbled upon a cool Web site and shared it with your friends? is an online social network that allows you to do just that with millions of users.

By Jessika Toothman

The online social network Friendster connects you to your friends and your friends of friends. Can Friendster help you to find a job or to reconnect with that special someone?

By Leah Lerner

If you've got something you can say in just a few characters, you can reach lots of people with a single Tweet. How has Twitter changed social networking?

By Jonathan Strickland & Nathan Chandler


LinkedIn is a social networking site geared toward professionals where you can look for a job, find sales leads or connect with colleagues. So how is it different than all the other networking sites?

By Dave Roos

A social networking site originally created for Harvard students, Facebook is now open for anyone to join -- and it currently has 750 million active users. What features have made it such a big success?

By Jonathan Strickland

Yes, it's still around. Second Life is a 3D virtual world where you can live in a castle, fly to dance clubs and change your appearance with a click of your mouse. So what's up with it now?

By Jonathan Strickland & Chris Pollette

One of Web's most explosive phenomena, MySpace grew to 54 million profiles seemingly overnight. Find out what MySpace really is, how it blew past the competition and why Rupert Murdoch thought it was worth $580 million.

By Julia Layton & Patrick Brothers

Advertisement is a user-driven news Web site that lets people find, submit, review and feature stories from every corner of the Web.

By Julia Layton