In today's frenzied and wired world, we are obsessed with the idea of not "wasting time." But have we lost the silences and solitude so essential to our inner lives? A great deal of evidence suggests the value in wasting time, of letting the mind lie fallow for some periods, of letting minutes and hours go by without scheduled activities or intended tasks, of unplugging from the grid. In this vital investigation of the rush and heave of the modern...