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Top-level
Advertisers mostly do not get direct access to the raw data. They pay for the ability to exploit massive amounts of personal data within the adtech industry's distributed surveillance machine, for profiling and targeting. However, thousand of shady companies in the data supply chain have access, and many data brokers also sell the raw data including all the identifiers, which are a crucial KEY PART of the machine. 3 comments
Based on location data secretly harvested from smartphone apps and other sources, data brokers sold lists of people who visited churches, mosques or the buildings of US federal agencies or defense contractors via the Xandr data marketplace. …or on people who visited doctors, casinos, a Western Union branch, Columbia University… According to the file, Xandr (re)sold data related to political beliefs and activities, for example: - lists of people who were categorized 'pro choice', 'pro life', 'gun control', 'gun rights', 'immigration control', 'immigration rights', 'defund police', 'anti defund police' |
Gregory's Server
The Markup has analyzed the full file, and found for example many super-sensitive health segments.
Several data brokers sort people into categories like 'stroke', 'heart disease', 'leukemia', 'insomnia', 'ADHD', ovulation app users or 'pregnancy test' buyers.
And there's much more in the file.