Here is a nice article that teaches what to do when someone writes bad review on you:
http://searchengineland.com/5-tips-for-responding-to-negative-customer-reviews-online-102136
It took Barak two days to get me from one listing to ten on the front page, flooding the page with connections that drive business to my web site and get the phone ringing. It is remarkable how clever and good at his work this marketing professional is.