When you give an app access to your location, it may be selling it to shady third parties you’ve never heard of. Advertisers, police and military forces have been taking advantage of the hidden trackers on our phones
privacyinternational.org
Mobile App Monetisation - Covert trackers in your pocket
Your phone is the ideal profit tool for data brokers and advertisers: it's always in your pocket and can be used both as a means of collecting information and serving you ads based on that information....