Andrew J. Flanagin is Associate Professor in the Department of Communication at the University of California, Santa Barbara, and coeditor of Digital Media, Youth, and Credibility (MIT Press, 2008), one of the inaugural volumes in the John D. and Catherine T. MacArthur Foundation Series on Digital Media and Learning.

Miriam J. Metzger is Associate Professor in the Department of Communication at the University of California, Santa Barbara, and coeditor of Digital Media, Youth, and Credibility (MIT Press, 2008), one of the inaugural volumes in the John D. and Catherine T. MacArthur Foundation Series on Digital Media and Learning.