Manuel Castells is Professor of Sociology and Director of the Internet Interdisciplinary Institute at Universitat Oberta de Catalunya (Open University of Catalonia, UOC) in Barcelona. He is also University Professor and the Wallis Annenberg Chair in Communication Technology and Society at the University of Southern California, Los Angeles. Currently, Castells is a trustee of the California Institute of the Arts and is a member of the governing board of the European Institute of Innovation and Technology (EIT). Communication Power is the title of his latest research book in English, which has now been translated into Spanish and Catalan. On the event of this recent publication, we had the opportunity to speak to this communications expert.