Currently we are using a free Firebase app for uProxy. This will not scale.
TODO:
Make FirebaseSocialProvider fail gracefully when the max # of connections is reached. Ideally login attempts for new connections should reject with a meaningful error message, but existing logged in connections should remain online.
Sign up for a paid version of Firebase to support more connections.
Currently we are using a free Firebase app for uProxy. This will not scale.
TODO: