Kristof Coussement is Associate Professor of Marketing at IESEG School of Management, France, where he teaches courses including customer relationship management and data mining. Kristof is a founder of the Belgian Association for Quantitative & Qualitative Marketing Research, BAQMaR. Koen W. De Bock is Assistant Professor of Marketing at IESEG School of Management, France, where he teaches courses on Internet marketing. He is visiting lecturer at the University of Stellenbosch Business School, South Africa. Scott A. Neslin is the Albert Wesley Frey Professor of Marketing at the Amos Tuck School of Business Administration, Dartmouth College. He has been at the Tuck School since completing his Ph.D. in 1978 at the Sloan School of Management, MIT. He has served as a Visiting Scholar at the School of Management, Yale University (1989-1990), the Teradata/Duke CRM Center located at the Fuqua School of Management, Duke University (2002), and Columbia Business School (2009-2010).