Facebook of the nation Facebook allows developers access to user's full profile; Every time you choose to add an application, Facebook asks you to confirm that you want to let this program both know who you are and access your information. It's impossible for anyone to add any application without agreeing to this set of terms. Once you click okay, that application can technically access quit a bit of public and private profile information; While all of the most private information (like your passwords and e-mail addresses) are kept on Facebook servers and require security authentication, a lot of info is available to applications you add.
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