Maurits Kaptein, Dean Eckles, Janet Davis
Eleven-year-old Joey has resisted following his doctor's weight-loss planskipping his daily bike ride to play video games, trading his healthy lunches for soft drinks, and sneaking snacks at night. His dad, Martin, is frustrated. Joey seems frustrated, too. Concerned about some recent bullying, Martin goes online to check the parental-control settings on his son's social network account. He then sees something he's never noticed before: Joey's persuasion profile. During his extensive use of the site, Joey has been shown countless ads for products, games, and other websites. Each time the persuasion profile recorded Joey's response: Did he click the…
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