Every time you're looking up transit directions or searching for restaurant recommendations and things to do, most of your apps and services are probably using your location data in one way or another.
If you have an iPhone, there's a way to see a list of the most recent locations that have been logged through Location Services on your phone. Location Services is the feature that allows Apple and third-party apps to gather your location data so it can give you directions and suggestions as mentioned above.
Using GPS and Bluetooth signals, as well as crowd-sourced Wi-Fi hotspots and cell tower locations, Apple can find your iPhone's approximate location.
The list of your tracked places is called Significant Locations, and it's end-to-end encrypted, so Apple can't read it. It's also opt-in, and the list can also be turned off in the Settings app menu.
Here's how to view and clear the list of your Significant Locations.
Lisa Eadicicco previously contributed to this story.