An investigation by the New York Times into the shadowy world of location-data brokerages found a whole menagerie of companies from IBM, Foursquare and the Weather Channel to obscure players like Groundtruth, Fysical and Safegraph, who pay app vendors to include their tracking code in common apps. Read the rest
Surveillance libraries in common smartphone apps have amassed dossiers on the minute-to-minute movements of 200 million+ Americans
