*: Public: Can View - Maybe grant Can Comment, as the harm in abuse is pretty minimal.
 *: External collaborators - Can Comment (unnecessary if we granted the public this level)
 
+The SWAMP team are using this solution.
+
 On the up side, access is more closely controlled, and adding a new team member is easy.  There is also a single place to find all new design documents (but does anyone care?).
 
 On the down side, permission to create or edit documents is very chunky.