when you create a new address book through the Maximizer Administrator you are asked if you'd like to copy settings from an existing address book, if you choose your 'master' address book and click yes it will copy Users, User Defined Fields and other configuration data when it creates the new address book.
When you block a person, they can no longer invite you to a private message or post to your profile wall. Replies and comments they make will be collapsed/hidden by default. Finally, you'll never receive email notifications about content they create or likes they designate for your content.
Note: if you proceed, you will no longer be following .