A proper approach to FB auth

Question

My project uses Node.js and Express, but the question is about generic approach.

Our users are all from FB and we don\'t have any auth other than FB. We need to asso

Answer 1

Actually it's totally incorrect to say that "in order to be real-time, you need to use JS SDK"! Facebook has "Realtime Updates Graph API" and every time some data gets updated, your local db gets updated automatically, then you don't need to use JS SDK