1. Andrew McAfee and Erik Brynjolfsson, Machine, Platform, Crowd: Harnessing Our Digital Future (New York: Norton, 2017), 72.
2. 案例取自Jean- Pierre Dube and Sanjog Misra, “Scalable Price Targeting,” working paper, Booth School of Business, University of Chicago, 2017, http://conference.nber.org/confer//2017/SI2017/PRIT/Dube_Misra.pdf.
