5 ms·> and websites don't get any of the benefits What kind of benefits FB offers for websites?by monkin 7y ago> and websites don't get any of the benefits What kind of benefits FB offers for websites?olliej 7y agoA real email address they can spam? :Dbuboard 7y agoYou have to get the user's permission to get their email address. FB sign in allows you to access the entire FB graph api (with permissions)