It has been sued for allegedly tracking Android users’ location without their consent and even when the location tracking features had been manually disabled. The tracking apparently stopped only after users turned off broader system-level tracking.
http://www.techradar.com/news/google-accused-of-illegally-tracking-android-phone-users
http://www.techradar.com/news/google-accused-of-illegally-tracking-android-phone-users