Well, if you always follow the "Privacy and Policy" or "Access permission" of every app on your Mobile device, then it's no news that Facebook have access to information of the Operating System(OS) and , ISP or Network Carrier, IP address and Browser settings of your smartphones , just like any other top applications. But would you be shocked when you find out that Facebook sees almost every single thing you do on your device every time you do them? Okay let me tell you what's up: Facebook recently disclosed the way it collects and controls user data when the company submitted two sets of answers to the US Congress in order to answer US senators questions . The company submitted a 225-page document and a 229-page document to the US Congress which all covered different issues like data and info privacy, Cambridge Analytical Scandal, Shadow Profiles and advertisement targeting. If you don't mind reading , You can read Facebook's ans