Hokyoung RyuHokyoung Ryu holds a Masters degree in Industrial Engineering from the Korea Advanced Institute of Science and Technology, Korea (1999) and a Ph.D in Psychology from the University of York, U.K. (2004). His current role is as a Lecturer in Informatio Technology, at Massey University, Auckland, New Zealand. His research interests include Human-Computer Interaction (HCI), mobile usability and mobile learning, publishing more than hundred peer-reviewed articles in conferences, journals, and book chapters. He is currently preparing to edit another mobile learning book tentatively entitled “Designing Themes in Mobile Learning” . He is also authoring two books – "Mobile User Interface Analysis and Design" and “Affordance Design” , and currently an associate editor of the International Journal of Mobile Learning and Organisation. Dr. Ryu is a member of the British Computer Society’s HCI group and the Centre for Mobile Computing at Massey University Read More Read Less