Steve Jobs, Apple Inc.'s Chief Executive Officer, introduces the new MacBook's aluminum laptop enclosure at a news conference in this file photo taken in Cupertino, California on October 14, 2008. Jobs underwent a liver transplant operation about two months ago and is expected to return to work by the end of June, The Wall Street Journal reported on June 20, 2009. Reuters Pictures logo Reuters Pictures 32 months ago

Steve Jobs, Apple Inc.'s Chief Executive Officer, introduces the new MacBook's aluminum laptop enclosure at a news conference in this file photo taken in Cupertino, California on October 14, 2008. Jobs underwent a liver transplant operation about two months ago and is expected to return to work by the end of June, The Wall Street Journal reported on June 20, 2009.