Key Speakers At The TechCrunch Summit


Marissa Mayer, chief executive officer of Yahoo! Inc., left, speaks... News Photo2013,CEO,California,Corporate Business,Entrepreneur,Finance,Founder,Horizontal,Marissa Mayer,Meeting,New Business,North America,San Francisco - California,Social Networking,Summit,Talking,TechCrunch,TechCrunch Disrupt,Technology,The Americas,USAPhotographer Collection: Bloomberg 2013 BloombergMarissa Mayer, chief executive officer of Yahoo! Inc., left, speaks with Michael Arrington, partner at CrunchFund and founder of TechCrunch, at the TechCrunch Disrupt SF 2013 conference in San Francisco, California, U.S., on Wednesday, Sept. 11, 2013. Yahoo! Mayer said the Web portal has surpassed 800 million active monthly users, a 20 percent increase since she joined the company in July 2012. Photographer: David Paul Morris/Bloomberg via Getty Images