I was trying to find a Comparison of the Free and Full Version, also looking for best training to use and setup the system. We have it running but not 100% sure on how to do configuration changes.
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 .