The morning Disney was about to announce the $7.4 billion Pixar acquisition, Steve Jobs took Bob Iger on a private walk around the Emeryville campus and told him: 'My cancer is back and I don't know how much longer I'm going to live.' He offered Iger an option to back out. Iger had 30 minutes to decide. He kept the deal — and Jobs lived another five and a half years. This was why Pixar sold.