What social networking site brings in the most work
 

Just a quick question, which social networking site brings in the most work for businesses?

Facebook, Google+, Twitter and LinkedIn is a best social media networking site used for business purpose.

Depends on business, we have to use the social media. For job related business Linkedin is most suitable.
For tourism related sites facebook are most suitable.
For photography related website pinterest is good

Like for different websites we are prefering different social medias. We can implement all social medias for the business.

depends FB and twitter, try Pinterest or Instagram if your target is female audience. Linkedin and ryze for business. G+

I Think Facebook is More Popular in Social Media, Because it Has Large User..

Facebook and Google+
But you must also considering using twitter and pinterest :)

I think Facebook, Twitter, LinkedIn, Pinterest, Google+ as well as Digg, StumbleUpon, Reddit etc many social networking sites are available where you can Eran good business you need to do good work on that platform.