FB is a commercial privately owned publishing platform. In some countries, you need a model release to publish photos of me, in others you need a release for my kids, in others none. This is the thorny unresolved question of what jurisdiction 'cyberspace' operates under.
If you are storing any PID of EU citizens, regardless of your jurisdiction, that will come under GDPR very soon (not sure how that impacts social publishing, photos, info gathered in public vs private places, or if it has a get-out clause etc but mentioning it as an example)
If you are storing any PID of EU citizens, regardless of your jurisdiction, that will come under GDPR very soon (not sure how that impacts social publishing, photos, info gathered in public vs private places, or if it has a get-out clause etc but mentioning it as an example)