US

How your phone tracks where you've been

Mobile devices send and receive all kinds of data. Most of the time that data includes your location. Here’s how your phone always knows where you are — and a few tips to limit the tracking. 

Produced by Matthew Stuart

Follow BI Video: On Facebook

Business Insider Emails & Alerts

Site highlights each day to your inbox.

Follow Business Insider Australia on Facebook, Twitter, LinkedIn, and Instagram.