Collects all data you send (username, email, credit card number...), any kind of info other put about you as well. Plus all info about your device: "Attributes such as the operating system, hardware version, device settings, file and software names and types, battery and signal strength, and device identifiers. Device locations, including specific geographic locations, such as through GPS, Bluetooth, or WiFi signals. Connection information such as the name of your mobile operator or ISP, browser type, language and time zone, mobile phone number and IP address."