“These cities grew in approximately the same places as our cities do now, however different the shape of the continents was. There was even a New York that in some way resembled the New York familiar to all of you, but was much newer, or, rather, more awash with new products, new toothbrushes, a New York with its own Manhattan that stretched out dense with skyscrapers gleaming like the nylon bristles of a brand-new toothbrush.”