Facebook is certainly concerned about passing around user tokens, so we won't do that. Facebook doesn't control the email or phone number graphs though. And us

Facebook is certainly concerned about passing around user tokens, so we won't do that. Facebook doesn't control the email or phone number graphs though. And users don't connect directly to Facebook via a YesGraph Facebook app, so there is nothing to shut down. There is more to say about platform risk here. I've built apps on every major platform. Email me: ivan@yesgraph.com