Top Social Networking sites in US

Suddenly everyone has been talking about Social Networking.

It's spreading like a wild fire and there are way too many networking sites to remember. Most of us connect with our friends on a number of these sites and its always nice to know which of your favorite sites have made to the top.

Source:
http://northamerica.globalthoughtz.com/index.php/top-social-networking-sites-in-us-facebook-myspace-and-youtube-continue-to-be-most-visited/