Privacy
Data brokers collect thousands of details about your finances, health and habits. See what’s in your profile, who buys it and how companies use it.
Privacy
Consumers asked a major data broker for their files. What they got back shows interest in how fat they are, how much they drink, and how likely they are to get a mammogram, among many other characteristics.
Pixel Hunt
Doctoralia sent information about specialists and appointment dates to social media companies.