Select who the user is allowed to invite:<br><br><b>Followers</b> - User can only invite existing followers <b>*</b><br><b>Email Address List</b> - User can import a list of Email Addresses to invite<br><b>Both</b> - User can select either option<br><br><b>*</b> If an admin user <i>all</i> users are selectable</b>