The economist published two useful articles on corporate longevity. The first article examines why IBM, despite a few crisis, has been able to reinvent itself and celebrate it 100s anniversary in 2011. It contrasts the firm to DELL, Microsoft and others. IBM @ 100
The second uses the context of the failure of outside CEOs HP to questions whether outsiders know enough to run a complex high-tech company. The Trouble with Outside CEO Appointments.