You’ve probably seen the statistic—more than half of the companies that appeared on the Fortune 500 list in the year 2000 are now gone. Poof. Vanished off the list as a result of mergers, acquisitions, bankruptcies. The life expectancy of a Fortune 500 company in 1975 was seventy-five years—today you have fifteen years to enjoy your time on the list before it’s lights out.
