In World without Mind: The Existential Threat of Big Tech, Franklin Foer makes the case that for far too long we've marveled at the products of Silicon Valley without seeing the existential threat they pose as monopolies -- because they are not like other monopolies. For instance, Exxon sells gas and McDonald's sells hamburgers, but what do Google and its parent company Alphabet actually sell? What is it exactly that they are monopolizing? (Listen to Part I.)