learning how to quite. >> reporter: the first macintosh computer in 1984 see doused customers with technology that was stylishly designed and easy to use. >> innovations really are driving the technology right into the strf our lives. >> what? jorz jobs was involve hd the movies too, hype the an i makes company, pixar which produced hit such as toy story. in 2009, after a six-mon medical leave from apple, jobs made an uncharacteristicly personal announcement. >> as some of you may know, about five months ago i had a liver transplant. so i'm vertical. i'm back at apple. loving every day of it. >> reporter: but in 2011 he took a second medical leave, though he didn't entirely leave work behind. he sat beside president obama at a dinner with silicon valley leaders. he appeared at an apple conference to promote a software update. and he turned up at a meeting of the cupertino city council