Spy/Dig into their Overall business model(s) using some of the following Quick info...

As Dien, kind of Touched on...

The Money making COMES at Different intervals, Sometimes very Nicely in the Long-Term like So Many other Success Stories in Google land...

Gotta {KEEP DREAMING} and Working...

Focus on ''Social Signals'' business related Concepts, Innovation & CREATIVITY ... HOT! AT THIS very particular MOMENT...
http://searchenginewatch.com/article...oogle-Rankings

LIKE Many others are ALSO WORKING ON...
http://www.google.com/search?q=FindL...ient=firefox-a
http://www.google.com/search?q=http%...ient=firefox-a

Phil