Yahoo! CEO Mayer speaks on stage during TechCrunch Disrupt SF 2012 in San Francisco

 
Yahoo! CEO Mayer speaks on stage during TechCrunch Disrupt SF 2012 in San Francisco
Yahoo! Chief Executive Marissa Mayer (L) smiles a Startup Battlefield session at TechCrunch Disrupt SF 2012 at the San Francisco Design Center Concourse in San Francisco, California September 12, 2012. REUTERS/Stephen Lam