CUPERTINO, CA - OCTOBER 04:  Apple CEO Tim Cook speaks at the event introducing the new  iPhone 4s at the company’s headquarters October 4, 2011 in Cupertino, California.    The announcement marks the first time Cook introduces a new product since Apple co-founder Steve Jobs resigned in August.  October 4, 2011 in Cupertino, California.  (Photo by Kevork Djansezian/Getty Images)