Copy and paste sentences from these articles into Google.
"From college co-eds who realize they can earn more money by running an amateur Web Cam than from being a waitress, to computer hobbyists"...
http://xbiz.com/articles/index.php?article_idp=10
http://smokintraffic.com/profit.html
A lot of this appears to be taken from Xbiz. Give credit to your sources on the article pages.