Dr Hazel Hall is Professor and Director of the Centre for Social Informatics within the School of Computing at Edinburgh Napier University. She holds a PhD in Computing from Napier University, an MA in Library and Information Studies from the University of Central England, and a BA (Spec Hons) in French from the University of Birmingham. Her research interests include information sharing in online environments, knowledge management, social computing/media, online communities and collaboration, library and information science research, and research impact. She blogs at http://hazelhall.org and can be contacted at firstname.lastname@example.org. Her mailing address is School of Computing, Edinburgh Napier University, 10 Colinton Road, Edinburgh EH10 5DT, UK.