Gregory's ServerBased 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'
- lists of LGBT advocates
- lists of BLM supporters
- lists of people who attended a political protest