The Innovator’s Dilemma – Clayton M. Christensen

This seminal business text explains why outstanding companies can do everything "right" and still lose market leadership. Christensen introduces the concept of "disruptive innovation," showing how established firms often ignore emerging technologies that don't initially meet the needs of their mainstream customers, only to be overtaken when those technologies improve and capture the market. It is a vital study on the necessity of radical change even during periods of success