Around the turn of the 20th century, public imagination turned to what life would be like in the year 2000. In newspapers and magazines, writers and artists illustrated visions of a society replete with personal flying machines, pneumatic tubes, moving sidewalks, entire cities enclosed beneath glass domes. From today’s vantage point, these predictions are all too cliché. But take a step back from these specific predictions and you’ll discover a unifying assumption that these futurists got right: the future would be urban.