When Henry Luce announced in 1941 that we were living in the "American century," he believed that the international popularity of American culture made the world favorable to U.S. interests. Now, in the digital twenty-first century, the American century has been superseded, as American movies, music, and video games are received, understood, and transformed. How do we make sense of this shift? Building on a decade of fieldwork in Cairo, Casablanca,...