“Virginia-based Gravy Analytics and its subsidiary Venntel used this information to build products and services, allowing customers to search through at least three years of historical data (including raw, precise mobile location data).”
Venntel let customers geo-fence a location and pull every device that entered it, and 404 Media reported the buyers included the IRS, FBI, DEA, CBP and ICE. Mobilewalla collected over 2 billion advertising IDs in two and a half years. The FTC order bans selling data tied to churches, clinics and schools. Every other place you go is still for sale.