Paul M. A. Baker (PhD, George Mason University) is Associate Director at the Center for 21st Century Universities (C21U) at Georgia Institute of Technology and Adjunct Professor at the Centre for Disability Law & Policy at the National University of Ireland, Galway. He has published numerous journal articles dealing with issues of e-accessibility, disability policy, and virtual communities. Jarice Hanson (PhD, Northwestern University) is Professor in the Department of Communication at the University of Massachusetts, Amherst. She is the author, co-author, editor, and co-editor of 24 books and the author of numerous articles about the social impact of digital technology. Jeremy Hunsinger (PhD, Virginia Tech) is Assistant Professor in Communication Studies at Wilfrid Laurier University. He recently co-edited a special issue on learning and research in Virtual Worlds for Learning, Media, & Technology. He co-edited the International Handbook of Virtual Learning Environments and the International Handbook of Internet Research and has edited or contributed to several other volumes.