I found this at Harvard Business Review - October 2009 (Page: 26). I thought you should enjoy this page. I really liked it.
"The Power of Unwitting Workers" by Gardiner Morse.
Click the link to see it http://issues.hbrformbas.org/hbreview/200910/?pg=28&pm=2&u1=friend?_id=lgcFAsNk4nyy
