J?RGEN GOUL ANDERSEN is Professor of Political Sociology at Aalborg University. He has published numerous books and articles on political participation and democracy, electoral behaviour, and the welfare state. Recent publications in English include Voting and Political Attitudes in Denmark. - JENS HOFF is Associate Professor at the Institute of Political Science, University of Copenhagen. He is the editor and co-author of a number of books on citizenship, democracy and information technology. Recent publications in English include Democratic Governance and New Technology.