How many social networking site in the internet world?

I know also but how many?
Is there any new one that launch recently.

 

facebook, twitter, digg, diigo, delicious, linkedin,connotea, myspace,netlog,etc

 

This is exact list of the sites. But it is not updated.
http://en.wikipedia.org/wiki/List_o...a.org/wiki/List_of_social_networking_websites

 

there are lots of social networking site but i prefer facebook, twitter & google+

 

try social marking dot com

 

twitter , facebook,pininterest are good one

 

Anyone can try it.May be it's a New Social Networking Website. Golij.Com is The Exclusive and Exceptional Fastest Growing Social Networking Site within The Social Networking Sites Where People Enjoy their Life with Fun!

 

i have many social networking site list you can check here http://www.seomanualsubmission.com/do-follow-social-bookmarking-sites.php

 

These are also some of the social networking websites: http://www.b-infotech.com/social-bookmarking-websites-list.php

 

there are a lot of Socail networking sites
here is a list
wikipedia.org/wiki/List_of_social_networking_websites

 

There are lots of Social networking sites, but most popular sites are facebook,twitter, google+, stumble upon, Delicious, pintrest.

 

I am sure the number is just about limitless! haha. But I tend to focus on just facebook and nothing else. I have generated a lot of viral traffic to my Adsense sites using nothing but facebook

 

Lots of social networking sites are there on web. At present Pinterest is popular.

 

Is there any official number ? countless for sure