In Overconnected: The Promise and Threat of the Internet, William Davidow shows how the almost miraculous success of the Internet has also created a unique set of hazards, in effect overconnecting us with dire consequences. "The Internet's dramatic effect on interconnectivity happened in a flash," says Davidow, "so fast, indeed, that we have lost control of it." "How did it happen?" he asks. "How did this particular skein of interconnections we are...