|Pros|| Cons (and which of the following are a result of assuming all users from an external source should be treated as defacto members of the site?)
| Same tools / API for dealing with content
|| Time to index / catalog overhead
| Ability to query users as content
|| Navigation issues
|Ability to search users as / with content
|| Getting update from external user source
| Ability to workflow users / users have workflow state
||Complexity / size of task
| Ability to create permissions on users / fence users to permissions
|| Backwards compatibility with pre-existing applications
| Memberdata integrates with user
|| Way to designate members from potential members in an external source
| If using email address as login, and login changes, then the redirector already works.
|| What user owns a user if user in content?