Is art only art insofar as it refuses to be useful? How do people understand art's ability to know the world, to develop ethics, to express sense of historical belonging and to be, in different ways to different people, useful? Starting with the premise that art is best understood in dialogue with the social sphere, publication examines how the exchange between art, knowledge and use has historically been set up and played out. Theorists and artists included in this volume seek (...) an answer to the question: how can art know, and change, the world? (shrink)