Author: Patricia Aufderheide (Director of the Center for Social Media and Professor in the Visual Media Division, School of Communication, American University) Author(s): Patricia Aufderheide (Director of the Center for Social Media and Professor in the Visual Media Division, School of Communication, American University) ISBN 13: 9780195182705 ISBN 10: 0195182707 Edition: Publisher: Oxford University Press Inc Publication Date: 28/11/2007 Format: Paperback Pages: 176