The authors thank Eric Bradlow, Tat Chan, Vineet Kumar, Greg Lewis, Laura Liu, Nitin Mehta, Aviv Nevo, Holger Sieg, Andrey Simonov, K. Sudhir, Raphael Thomadsen, Kosuke Uetake, Shunyuan Zhang, and the participants at the Northwestern marketing seminar, University of California Los Angeles marketing seminar, Columbia marketing camp, Junior faculty forum at Washington University in St. Louis, Yale marketing seminar, Rochester marketing seminar, Tech Adoption and Human-Algorithm Interaction Workshop at Harvard, 42nd Marketing Science Conference, Quantitative Marketing and Economics 2020 Conference, and Summer Institute in Competitive Strategy 2021 for constructive comments. Y. Wei thanks Sam Boysel for research assistance.