Thought provoking essay from the publisher and editor of “Edge”, John Brockman with equally thought provoking responses from Nicholas Humphrey, Jaron Lanier, Joseph LeDoux, John Horgan, Timothy Taylor, Carlo Rovelli, Steven Johnson, Lee Smolin, Douglas Rushkoff, Piet Hut, Marc D. Hauser, Mihalyi Csikzentmihalyi, Denis Dutton, Daniel C. Dennett, Howard Rheingold, Chris Anderson.