Uncommon GoodsSince Marcel Duchamp created his readymades a century agomost famously christening a urinal as a fountain the practice of incorporating commodity objects into art has become ever more pervasive. Uncommon Goods traces one particularly important aspect of that progression: the shift in artistic concern toward the hidden ethical dimensions of global commerce. Jaimey Hamilton Faris discusses the work of, among many others, Ai Weiwei, Cory Arcangel, Thomas