They say that they collect the following: "We collect device-specific information when you install, access, or use our Services. This includes information such

They say that they collect the following: "We collect device-specific information when you install, access, or use our Services. This includes information such as hardware model, operating system information, browser information, IP address, mobile network information including phone number, and device identifiers. We collect device location information if you use our location features, such as when you choose to share your location with your contacts, view locations nearby or those others have shared with you, and the like, and for diagnostics and troubleshooting purposes such as if you are having trouble with our app’s location features." The IP-Adress together with the facebook plugins on many websites allow lots of tracking.