Preface: Running with the Centaur "A businessman is a hybrid of a dancer and a calculator." —Paul Valery, French Poet and Philosopher The Internet revolution didn't turn out to be anything like we thought it would be. At the end of the 1990s, the discussion of many observers, we among them, focused on the rise of the "cyberconsumer" and the emergence of "Internet marketing." At the extreme, t…