Stuart Allan is Professor and Head of the School of Journalism, Media and Cultural Studies at Cardiff University, UK. He is the author of several books, including Online News: Journalism and the Internet (2006), Digital War Reporting (co-authored with Donald Matheson, 2009), and Citizen Witnessing: Revisioning Journalism in Times of Crisis (2013). He is currently researching the uses of citizen imagery in the news reporting of war, conflict and crisis events.