I'm not sure what the advantage of adding more users is - I don't see many options for limiting the capabilities of the users I add. I'd like to be able to allow some users to create emails and some not have that capability. I'd like to allow some users to send emails but not others. I'd like to allow some to add contact lists but not others. Right now I can't see any reason to add users other than to keep them from being able to change our billing info. Maybe I'm missing something. ... View more