The global digital network is not just a delivery system for email, Web pages, and digital television. It is a whole new urban infrastructure -- one that will change the forms of our cities as dramatically as railroads, highways, electric power supply, and telephone networks did in the past. In this lucid, invigorating book, William J. Mitchell examines this new infrastructure and its implications for our future daily lives.

Picking up where his best-selling City of Bits left off, Mitchell argues that we must extend the definitions of architecture and urban design to encompass...