 Do you know what delegated authorization is? Authorization is the process of giving someone the ability to access a certain resource. But there is a type called delegated authorization in which one entity enables another entity to act on its behalf. All of two was created specifically to handle the delegated authorization scenario. An example of this could be when you allow an application to post on your Facebook as if it was you. Now you know what delegated authorization is and this being identity in a minute.