“…Some studies expand the analysis of privacy to include the costs of intrusions into an individual's personal sphere, such as unsolicited mail or spamming, as in Hann et al (2008), and personal preferences over privacy, as in Tang, Hu, and Smith (2008). Here, the theoretical study of privacy connects with the marketing literature on couponing, market segmentation, and consumer addressability (Blattberg and Deighton 1991).…”