Bronwyn T. Williams is a Professor of English and Endowed Chair in Rhetoric and Composition at the University of Louisville. He writes and teaches on issues of literacy, identity, sustainability, digital media, and writing pedagogy. His previous books include Literacy Practices and Perceptions of Agency: Composing Identities; New Media Literacies and Participatory Popular Culture Across Borders; Shimmering Literacies: Popular Culture and Reading and Writing Online; and Identity Papers: Literacy and Power in Higher Education.