I think the front-ends would remain completely separate, and the back-ends would be namespaced by a platform. For instance: facebook.users, facebook.ads, faceb

I think the front-ends would remain completely separate, and the back-ends would be namespaced by a platform. For instance: facebook.users, facebook.ads, facebook.feed, facebook.messenger, facebook.instagram, facebook.whatsapp. This way, users and ads would be shared across all Facebook's platforms, which is, I believe, the main reason for the entire integration.