Call for Papers: American Behavioral Scientist, Special Issue on *Measuring Influence in Social Media* Editors: - Anatoliy Gruzd <gruzd@dal.ca>, School of Information Management, Dalhousie University, Canada - Barry Wellman <wellman@chass.utoronto.ca>, Department of Sociology, University of Toronto, Canada Submission deadline: *April 30, 2013* More info at http://bit.ly/cfpInfluence