> What I don't know is what allows a company to successfully 're-invent' itself or to recover its core values and return to a previously powerful position. IBM did that once transitioning from PCs...

By the way IBM did it at least four times before: once when they Computing-Tabulating-Recording company reinvented themselves and their focus and became IBM; once after WWII when they made a push into electronic computing and once in the 60s with the phenomenal 360 project and finally in the 80s when PCs dominated revenue.

Thomas J Watson’s autobiography is a must-read and covers up through the 360.