1. Department of Integrated Marketing Communications, Northwestern University, Evanston, Illinois 60208
2. Graduate School of Management, University of Auckland, Auckland, New Zealand 1142; and NHH Norwegian School of Economics, Department of Strategy and Management/Center for Service Innovation, 5045 Bergen, Norway
3. Departments of Integrated Marketing Communications and Industrial Engineering and Management Science, Northwestern University, Evanston, Illinois 60208
4. Amsterdam School of Communication Research, University of Amsterdam, 1018 WV Amsterdam, The Netherlands
5. Greenlee School of Journalism and Communication, Iowa State University, Ames, Iowa 50011
6. Department of Industrial and Systems Engineering, Rensselaer Polytechnic Institute, Troy, New York 12180