8. If this is a top-level space, you will be offered the choice of "Allow inbound shares". Uncheck this if you wish to prevent non-members of this Space from sharing content into the Space. This can be used, for example, to make the Space behave as a read-only library without the risk of changes related to collaborative shares being added.
9. Check User Creation to permit other managers of this space to create new Chorus user accounts. This space will be the primary space for any newly created users.