I have not been able to access Sellathon/Viewtracker for about 24 hours now. Clearly it is down. Sadly their Help Forum runs on the same server as the normal site so we cannot access that either.
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 .