We have 16,849 to be exact! You can also find the following icon on the right of the home page (in laptop mode); it automatically updates whenever anyone joins.
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 .