https://energycommerce.house.gov/sites/democrats.energycomme...
https://www.eff.org/deeplinks/2019/04/googles-sensorvault-ca...
Sensorvault:
“includes detailed location records involving at least hundreds of millions of devices worldwide and dating back nearly a decade.”
US law enforcement had been regularly accessing Sensorvault user data in a dragnet-like fashion to obtain location details for hundreds or thousands of users