page. And RSS or Atom feeds can be generated to follow the blog.
Ikiwiki's own [[TODO]], [[news]], and [[plugins]] pages are good examples
-of some of the flexible ways that this can be used.
+of some of the flexible ways that this can be used. There is also an
+[[example_blog|examples/blog]] set up that you can copy into your own wiki.
Ikiwiki can also [[plugins/aggregate]] external blogs, feeding them into
the wiki. This can be used to create a Planet type site that aggregates
interesting feeds.
+You can also mix blogging with podcasting by dropping audio files where
+they will be picked up like blog posts. This will work for any files that
+you would care to syndicate.
+
## Valid html and [[css]]
ikiwiki aims to produce
### User registration
Can optionally be configured to allow only registered users to post
-pages; online user registration form, etc.
+pages.
+
+User registration can be done using a web form, or ikiwiki can be
+configured to accept users authenticated with OpenID, or HTTP basic
+authentication, or other methods implemented via plugins.
### Discussion pages