Statistical challenges in Internet advertising / Deepak Agarwal -- How has e-commerce research advanced understanding of the offline world? / Chris Forman and Avi Goldfarb -- The economic impact of user-generated and firm-generated online content : directions for advancing the frontiers in electronic commerce research / Anindya Ghose -- Is privacy protection for data in an e-commerce world an oxymoron? / Stephen E. Fienberg -- Network analysis of Wikipedia / Robert H. Warren, Edoardo M. Airoldi, and David L. Banks -- An analysis of price dynamics, bidder networks, and market structure in online art auctions / Mayukh Dass and Srinivas K. Reddy -- Modeling web usability diagnostics on the basis of usage statistics / Avi Harel, Ron S. Kenett and Fabrizio Ruggeri -- Developing rich insights on public internet firm entry and exit based on survival analysis and data visualization / Robert J. Kauffman and Bin Wang -- Modeling time-varying coefficients in pooled cross-sectional e-commerce data : an introduction / Eric Overby and Benn Konsynski -- Optimization of search engine marketing bidding strategies using statistical techniques / Alon Matas and Yoni Schamroth -- Clustering data with measurement errors / Mahesh Kumar and Nitin R. Patel -- Functional data analysis for sparse auction data / Bitao Liu and Hans-Georg Meuller -- A family of growth models for representing the price process in online auctions / Valerie Hyde, Galit Shmueli, and Wolfgang Jank -- Models of bidder activity consistent with self-similar bid arrivals / Ralph P. Russo, Galit Shmueli, and Nariankadu D. Shyamalkumar -- Dynamic spatial models for online markets / Wolfgang Jank and P.K. Kannan -- Differential equation trees to model price dynamics in online auctions / Wolfgang Jank, Galit Shmueli, and Shanshan Wang -- Quantile modeling for wallet estimation / Claudia Perlich and Saharon Rosset -- Applications of randomized response methodology in e-commerce / Peter G.M. van der Heijden and Ulf Beockenholt.