The "data/resource" model also "hides the underlying tables". For example, `POST users/1/emails` might "create" an email, but really its triggering a API call t

The "data/resource" model also "hides the underlying tables". For example, `POST users/1/emails` might "create" an email, but really its triggering a API call to an external service. I am not seeing the difference between REST and RPC.