because cell phones "become de-facto tracking devices when applied to populations." "Essentially what you are doing is watching rivers of people," he says. "Anywhere where there are flows ...

Explore the 9 best free mobile phone tracker apps to protect your device. Locate lost phones, monitor loved ones, and safeguard your data with top GPS tracking tools.

Almost all Americans (98%) own a mobile phone. This translates to almost 331 million people. More than nine out of 10 (91%) of Americans own a smartphone. Jump to insight Each day Americans spend ...

Hall quit the city’s police force in part over its use of “Fog Reveal,” a powerful smartphone-tracking tool that the company says uses data from apps like Waze to track mobile devices ... effects of ...