Android Is Quietly Sharing Your Physical Activity with Other Apps -- lifehacker

For the most part, Android keeps getting better, but it's certainly not immune to privacy concerns that plague every operating system and smartphone. And as it turns out, Google snuck a questionable feature into the operating system with a recent update. A new permission called "activity recognition" may be tracking your physical activity and sharing it with third-party apps, and there's no easy way to stop it....
https://lifehacker.com/android-is-quietly-sharing-your-physical-activity-with-1819914745