'FYI. A Warrant Isn’t Needed': Secret Service Says You Agreed To Be Tracked With Location Data

The Secret Service has used a technology called Locate X which uses location data harvested from ordinary apps installed on phones. Because users agreed to an opaque terms of service page, the Secret Service believes it doesn't need a warrant.

The Global Surveillance Free-for-All in Mobile Ad Data – Krebs on Security

Lawsuit: City cameras make it impossible to drive anywhere without being tracked

“Every passing car is captured,” says 4th Amendment lawsuit against Norfolk, Va.

Inside the U.S. Government-Bought Tool That Can Track Phones at Abortion Clinics

Privacy advocates gained access to a powerful tool bought by U.S. law enforcement agencies that can track smartphone locations around the world. Abortion clinics, places of worship, and individual people can all be monitored without a warrant.