Facebook...
Facebook is the best social network site for deriving traffic and improve the visibility of our site..
My favorite social networking site is Facebook because it is very simple and easy to use.
The features of Facebook is really great that users can use easil

My best social networking sites are facebook,twitter,digg, delicious, reddit .

I quite like Pinterest.com, it is a great way of sharing images

Facebook, Twitter, Pinterest are best currently.

facebook and twitter
cedar siding installation

The Best Social Networking Site that works more on Business is Facebook.

Google+, Facebook,Twitter is the best way to promote your website.

my vote for Facebook and Google plus.

My favourite is only Facebook.

In my opinion, the best social bookmarking sites deliciou, Digg mean, large customers are formed, Reddit, StumbleUpon, etc., within a few days, this site can improve your business.

Google plus is best social network my point of view

In my opinion the best social bookmarking websites deliciou, Digg, say, Reddit, StumbleUpon, etc., in a few days the site can improve your business.

Facebook and twitter both are best.... Google Plus is making the market too ... but grabbing facebook followers aren't much easy for her....

I think Facebook,twitter and Google+ is best.

In my own view,its all upto you that how you use a SNS and for what purpose,although as per my knowledge and usage Facebook is really the best social networking site that works more on businesses.