Facebook can definitely get your personal information and snoop into your privacy.
Have you ever signed up for a game on Facebook? Or took a random quiz you saw on your newsfeed? If yes, then Facebook and several apps has indeed an access to your personal information.
Every app has its own privacy permission settings. However, the apps can take full control on the following:
Facebook or the following apps can take advantage on the app permission by selling user data and making fake profiles to serve relevant ads on their platform. But, do not worry for you can edit the access permission for every app. Here are the steps in order to remove each app’s access permission:
You will see a list of apps connected to your Facebook. When you select one, you will be able to view the app’s access information. You will now have an option to edit the access permission or totally remove the application. Also, do take note that you can update the access information of your friends to other apps, because this could lead to making your data open to the public. To change this,
You also have the option to completely disable any access information through the “Platform” option.
Source: Tech Insider