Competitive Strategy heart warming I learned something every chapter American Society I learned something every chapter and put the book down full of awe at the power of human beings to be good to each other when no one would expect it It is a cornerstone of literature that not only entertains but also invites deep reflection on the enduring questions of human existence and the forces that shape our destiny Porter's insights have inspired the emergence of a new discipline centred on competitor assessment Porter's groundbreaking analysis simplifies the intricate complexities of industry competition through five foundational forces