A timely and fascinating look at massive historical change across two millennia, from the Christianization of the Roman Empire to today's new economy. Disruption examines how fringe intellectual movements can change powerful institutions, and why those institutions are vulnerable to big changes. This is a great book: informative, interesting, and provocative, in addition to being a real pleasure to read. By using the analytical category of 'disruption' in order to understand the nature of historical change. It provides not only a magnificent overview of two thousand years of history, but also an insightful commentary on the present state of our society and a thought-provoking reflection on our future. David Potter's knowledge, wisdom, and humor make this book an excellent guide and companion for us as we navigate the disrupted and disrupting times in which we currently live.