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"An intelligent and readable approach to the digitization of images.... A useful overview of a critical subject."-- New York Times Book ReviewEnhanced? Or faked? Today the very idea of photographic veracity is being radically challenged by the emerging technology of digital image manipulation and synthesis: photographs can now be altered at will in ways that are virtually undetectable, and photorealistic synthesized images are becoming increasingly difficult to distinguish from actual photographs.Continuing William Mitchell's investigations of how we understand, reason about, and use...

The meaning of a message, says William Mitchell, depends on the context of its reception. "Shouting 'fire' in a crowded theater produces a dramatically different effect from barking the same word to a squad of soldiers with guns," he observes. In Placing Words, Mitchell looks at the ways in which urban spaces and places provide settings for communication and at how they conduct complex flows of information through the twenty-first century city.

Cities participate in the production of meaning by providing places populated with objects for words to refer to. Inscriptions on...