My favorite Social networking site are:

Facebook
Google Plus
Pinterest
Twitter
LinkedIn
Tumbler

Twitter is my Favorite Social site.

Personally, I heavily utilize and enjoy Twitter, but my websites are both active on:

-Twitter
-Facebook
-StumbleUpon
-Tumblr
-Google+

StumbleUpon is my favorite Social Bookmarking site. Because whenever I share my latest post to this network. I receive lot of visitor from here.

Facebook, Twitter, Google +

my favorite social networking is face book only

Twitter all the way.

facebook
google+
twitter
reddit

I love to use facebook ,google plus, twitter,myspace..

My favorite social networking site is Facebook, Google+.

Google+, Facebook, Twitter, Pinterest and Tumblr

My Favorite Social Networking Site Facebook ,Twitter , Likes ,LinkedIn .

My favorite social networking sites are Facebook, google plus, twitter. Mostly I use Facebook because I have more friends there. It is good for getting online traffic as well as also for online chatting and gaming.

My social networking site is Facebook, Twitter, Google+

stumbleupon is my fav tooo