Philip Seargeant is Senior Lecturer in Applied Linguistics in the Centre for Language and Communication, The Open University, UK. He is author of The Idea of English in Japan: Ideology and the Evolution of a Global Language (2009) and Exploring World Englishes: Language in a Global Context (2012), and editor of English in Japan in the Era of Globalization (2011) and English in the world today: history, diversity, change(with Joan Swann, 2011). He has also published several articles in journals such as World Englishes, the International Journal of Applied Linguistics, Language Policy, Language Sciences, and Language & Communication.
Caroline Tagg is Lecturer in English Language and Applied Linguistics in the Centre for English Language Studies at the University of Birmingham, UK. Her research interests are in language and new media, and in the application of corpus linguistics and discourse analysis to the investigation of electronic interaction. She is author of The Discourse of Text Messaging (2012, Continuum), co-editor (with Ann Hewings) of The Politics of English: Conflict, Competition, Co-existence (2012, Routledge), and has published articles in journals such as World Englishes and Writing Systems Research.