June 23, 2012
June 22, 2012 Business Insider
May 15, 2012
February 21, 2012 The Australian
February 16, 2012 New Zealand Herald
December 19, 2011
November 29, 2011 Business Week
October 14, 2011 Chicago Tribune
July 21, 2011
June 11, 2011 The New York Times
