In 2010, the social networking site Facebook launched a platform allowing private companies to request users’ permission to access personal data. Few users were aware of the platform, which was integrated into Facebook’s terms of service. In 2014, Cambridge Analytica, a UK-based political consulting firm, developed a data-harvesting app. That app prompted Facebook users to provide psychological profiles, including responses such as “I get upset easily” and “I have frequent mood-swings” as part of a “research project.”1
Gostin LO, Halabi SF, Wilson K. Health Data and Privacy in the Digital Era. JAMA. 2018;320(3):233–234. doi:10.1001/jama.2018.8374
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