Wednesday 10 November 2010, The Guardian, [en]
Friday 29 October 2010, San Francisco Chronicle, [en]
Friday 29 October 2010, Houston Business Journal, [en]
Thursday 28 October 2010, New York Times, [en]
Thursday 28 October 2010, San Francisco Chronicle, [en]
Tuesday 5 October 2010, Boston Globe, [en]
Friday 27 August 2010, San Francisco Examiner, [en]
Friday 27 August 2010, McClatchy, [en]
Friday 27 August 2010, London Evening Standard, [en]
Friday 27 August 2010, BusinessWeek, [en]