Depends on what you are worried about. The book (if I understand the review correctly) is concerned not just with loss of privacy, but with how your personal d

Depends on what you are worried about. The book (if I understand the review correctly) is concerned not just with loss of privacy, but with how your personal data can be used to modify your behavior. Quoting from the review: > “The goal of everything we do is to change people’s actual behavior at scale,” a top Silicon Valley data scientist told her in an interview. “We can test how actionable our cues are for them and how profitable certain behaviors are for us.” So both Google and Apple vacuum up your data, and both are required to comply with lawful governmental requests, but only one of these companies makes money from your data by selling your attention to those who would modify your behavior. (For now).