SAN FRANCISCO - JUNE 23 : Apple CEO Steve Jobs delivers the keynote address at the Worldwide Developers Conference June 23, 2003 in San Francisco. Jobs announced the new Power Mac G5 desktop computer as well as software upgrades. (Photo by Justin Sullivan/Getty Images)
SAN FRANCISCO - JANUARY 7: Apple CEO Steve Jobs delivers the keynote address at Macworld January 7, 2003 in San Francisco. Jobs announced new 17-inch and 12-inch powerbooks as well as several new software updates. (Photo by Justin Sullivan/Getty Images)
SAN FRANCISCO - JANUARY 10: Apple CEO Steve Jobs delivers the keynote address during the 2006 Macworld January 10, 2006 in San Francisco, California. Jobs announced a new iMac with Intel Core Duo processor as well as the new MacBook Pro laptop. (Photo by Justin Sullivan/Getty Images)
