Every successful company, at some point or another, faces the dreaded moment where their existing business model no longer works, where the world has changed around them and they need to pivot or die.

Jean-Louis Gassée, writing for MondayNote, lays out some notable examples, including DEC, Sun, IBM, Microsoft, and Hewlett-Packard.

Terrific read, keep Apple in mind as you make your way through it.