STUART BLYTHE is an Associate Professor, Department of English and Linguistics, Indiana University-Purdue University Fort Wayne, USA JEFFREY T. GRABILL is Professor of Rhetoric and Professional Writing and Co-Director of the Writing in Digital Environments (WIDE) Research Center, Michigan State University, USA RICK IEDEMA is Professor of Communication and Director of the Centre for Health Communication, Faculty of Arts and Social Sciences, University of Technology Sydney, Australia JUDITH T. IRVINE is Edward Sapir Professor of Anthropology, University of Michigan, USA, where she is also chair of the Department of Anthropology. MARY M. JUZWIK is an Assistant Professor of Language and Literacy, Teacher Education Department, Michigan State University, USA KEVIN ROOZEN is an Assistant Professor of English, Auburn University, USA BARRY SAFERSTEIN is a Professor, Communication Department, California State University San Marcos, USA SRIKANT SARANGI is Professor and Director of the Health Communication Research Centre, Cardiff University, UK JODY SHIPKA is an Assistant Professor, Department of English, University of Maryland, Baltimore County, USA