<p>You've probably heard of <a href="http://myspace.com">MySpace</a> before, or at least <a href="http://facebook.com">Facebook</a>, two of the most popular social networking websites of all time. Maybe you just know the name because your tween daughter spends every waking hour glued to the site, or maybe you've been there and done that long before sites like <a href="http://twitter.com/">Twitter</a> even existed.</p> <p>Either way, there are bound to be plenty of other social network sites out there that you haven't even heard of. The social networking craze has grown from a fistful of sites running simple scripts to a global online industry backed with enterprise quality software and legions of netizens fueling the fire.</p> <p>The <b>list of social networking sites</b> will take you nearly anywhere you want to go in the world of social networking.</p> http://www.webmasters-directory.com/%cat_tags%/ en-us Facebook is the world's largest social networking site. Mark Zuckerberg originally created Facebook for university networks, but it grew like wildfire to it's current massive size of over 350 million users. http://www.facebook.com/ 1.00 MySpace is one of the most popular social networking websites with over 125 million users. It has had a roller coaster history and has faced heavy competition from the likes of Facebook. Still, it perseveres as one of the most popular networking sites in the online social realm. http://www.myspace.com/ 1.00 Friendster has been around for a long time. Although it's still one of the leading social networking sites at about 50 million users, they lost a little of their edge when the competition got fierce in the social networking sphere. http://www.friendster.com/ 1.00 Bebo is currently the third largest social networking website in the world. Bebo has 34 million registered users on it's five-year-old social network. It was purchased by AOL in 2008 for $850 million. http://www.bebo.com/ 1.00 LinkedIn is a social networking site geared toward business use. It has become an extremely popular social site for professionals, with over 50 million registered users to date. LinkedIn focuses on business networking and uses a unique method of requiring existing or referrals connections to expand your network. http://www.linkedin.com/ 1.00 Ryze is one of the oldest social networking sites, and focuses on business networking. Ryze currently has about 500,000 users, and while it influenced early social networking sites like Friendster, it doesn't have the volume of users that networks like LinkedIn provide. http://www.ryze.com/ 1.00