Building the System/360 Mainframe Nearly Destroyed IBM

i have also found these to be interesting, kind of selection/ analysis/ visualisation over memoirs of Lou Gerstner (part 2 is around s/360):

Now, reading the article, this "[rivalry].. So intense was it that sometimes it seemed to exceed the rivalry with external competitors.” reminded me of something old about Motorola.. where rivalry went to the need to reverse-engineering other depts' chips via 3rd party acquiring them..

www.chicagomag.com/Chicago-Magazine/September-2014/What-Happened-to-Motorola/