Facebook is the best at this time.

Facebook, Google+, LinkedIn, Pinterest are the best social networking sites.

best trafic
 

Biggest is facebook, best is going out and meeting people. You can get easily traffic from facebook.

Social networking sites are drive more traffic in any website and increase visibility in search results. The best social networking sites are LinkedIn, Twitter and Facebook.

google+,Facebook,Linkedin,Twitter,Pintrest,Instagr am

Facebook and twitter are the best social networking site.

Best Social networking sites are
1)Faebook
2)Google plus
3)Twitter
4)Tumblr
5)delicious
6)Plurk
7)Linkedin
8)Myspace

Facebook, Google+, Twitter, LinkedIn are the best social networking site

I think Facebook is the best social networking site .But it depends on your requirement for which purpose you want .Facebook gives you good opportunity to make a fan page and gain traffic and it gives you popularity also through likes,comments and many other things .

Facebook, Google+, Twitter, LinkedIn are the best.

Facebook , twitter, Google Plus, LinkedIn are the best social networking sites for getting traffic. pinterest and Instagram are best sites for images sharing.

Proffessional - Linkedin
Increase traffic - Facebook
Business reputation increase - twitter

google plus, facebook, linked in

Facebook, Twitter, Google+, LinkedIn, Pinterest are best social networks specially for business

Facebook , twitter, linkedin