Barney Warf is a professor of geography at the University of Kansas. He holds a Ph.D. in geography from the University of Washington, and his research interests include the internet, telecommunication, services, urban geography, cosmopolitanism, and social theory. Dr. Warf has co-authored three geography textbooks and numerous book chapters, encyclopaedia entries, and journal articles. Dr. Warf is a member of the Association of American Geographers and the International Geographical Union.