I'm more than pleased to inform you that iMessenger has been approved into the Facebook "Audience Network" successfully.
From this moment, you can now access iMessenger website and every features live from Facebook official website.
What you can do from IMessenger on Facebook
Account Registration: you can now register a new account with iMessenger directly from Facebook.
Login: you can now login to your account directly from Facebook.
This is an official business relationship between Facebook and iMessenger!