John Updike, "Dialogue in Cyberspace", Lufthansa Bordbuch 5/95, p.52. "Literacy", as McLuhan's friend and colleague Edmund Carpenter wrote already in the mid-fifties, "lost its main prop in the social structure of our time." ("Introduction", in: Marshall McLuhan-Edmund Carpenter, eds., Explorations in Communication: An Anthology [1960], Lond on: Jonathan Cape, 1970.)