Alex Sayf Cummings is a professor of history at Georgia State University, whose work deals with technology, law, public policy, and the political culture of the modern United States. Alex's writing has appeared in Salon, the Brooklyn Rail, the Journal of American History, the Journal of Urban History, Al Jazeera, and Southern Cultures, among other publications, and the book Democracy of Sound was published by Oxford University Press in 2013 (paperback, 2017). Alex can be followed on Twitter at @akbarjenkins. View all posts by Alex Sayf Cummings