PUBLIC The event details are visible to anyone and will be indexed into the search engines (i.e. Google, Yahoo, etc). Any signed-in user may add new posts and comments to existing posts.
MEMBER The event details are NOT visible to the public. Only users who are signed-in and who follow the event owner (YOU) may add new posts and comments to existing posts.
PRIVATE The existence of this event is only visible to signed-in users you specifically invite. An invitation will be delivered via private message to the users Inbox.