Laura Robinson is Professor in the Department of Sociology at Santa Clara University, USA.Sonia Virgínia Moreira is Professor of the Graduate Program in Communication at the State University of Rio de Janeiro, Brazil, and a National Council for Scientific and Technological Development (CNPq) research fellow.Katia Moles is Assistant Teaching Professor in the School of Engineering at Santa Clara University, USA.Jeremy Schulz is Senior Researcher at the University of California, Berkeley Institute for the Study of Societal Issues, USA, and a Fellow at the Cambridge Institute.