Leen d'Haenens is professor at the Institute for Media Studies and vice-dean of the Faculty of Social Sciences at the University of Leuven, Belgium. Helena Sousa is professor of communication sciences at the Communication and Society Research Centre and dean of the Social Sciences School at the University of Minho, Portugal. Josef Trappel is professor of media policy and media economics and head of the Department of Communication Research at the University of Salzburg, Austria.