The Marketing Research Association (MRA) has developed guidelines for Internet marketing research issue. The MRA suggests that websites post a privacy policy to explain how data are used. Similarly, researcher must discontinue follow-up e-mails if requested to by respondents. Recently, researchers have shown that it is possible to “de- anonymize” information on the Internet by combining different publicly available records available at social networks. The MRA guidelines prohibit market researchers from de-anonymizing data. MRA guidelines do allow click stream tracking. But as with other public behavior, online action may be observed but any identifying information must be removed from the data file. Other digital technologies such as GPS also result in privacy-related issues (see Marketing Research Dashboard on p.15)