Obscure
Find Your Mobile Ad ID
Your MAID is the key to deleting your location history.
You are being tracked.
They use your phone's MAID to connect location history to other data they know about you.
Apps leak MAIDs.
Apps like Weather, Maps, Games, Cameras, and Social Media leak your location.
Your browser can leak MAIDs.
Ads served to you, especially on Chrome, leak your MAID and location via the real-time bidding process.
P.S. Contact ObscureIQ for information about how to delete the location history data brokers have collected about you.
Some of them have years of data about every place you and your phone have gone.