The most definitive management ideas of the century, all in one place. Harvard Business Review is the foremost destination for smart management thinking. Now, at its 100th anniversary, this commemorative volume brings together the most influential ideas since its inception.With an introduction written by editor in chief Adi Ignatius, HBR at 100 features business publishing's most influential voices on innovative topics, including:Michael E. Porter on competitive strategyClayton M. Christensen on disruptive innovationTim Brown on design thinkingLinda A.