 to your course, turn editing on, scroll down to the bottom right and add the tags block. Tag is a key words and interests that associate users in their data. We've got one tag clear out here in particular. A user has blogged and tagged their blog entry by this particular tag. If a user discovers this page, they can also add this tag as one of their interests. So to make it a very social page, tags can be added to user blog entries and as interests in user profiles.