If you go to see Pirates of the Caribbean: At World's End, make sure you sit through the long list of credits! There's an additional scene AFTER the credits you do not want to miss!!
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 .