J. Justin Castro, who earned his Ph.D. at the University of Oklahoma, is an assistant professor of history at Arkansas State University. His writing has appeared in the Latin American Research Review, Mexican Studies/Estudios Mexicanos, and the Latin Americanist. His research interests include wireless technologies, globalization, nationalism, and technology and culture.Robert M. Jordan earned his Ph.D. at the University of Nebraska, Lincoln and currently teaches at Colorado State University. He is particularly interested in digital history and uses a variety of technologies to incorporate digital methodologies into his classroom. In 2015, Dr. Jordan received the Preston David Award for Instructional Innovation.