This is an example of a Confluence wiki set up specifically to be a blog (an online journal). The Confluence wiki supports blogging via the Add News link and News tab. You can also bring blog entries into any page with the blog-posts tag.
In addition, Confluence supports RSS feeds, so you can bring in RSS content from other websites and display it using the rss tag.
Here's an example of RSS content.
Could not access the content at the URL because it is not from an allowed source.
You may contact your site administrator and request that this URL be added to the list of allowed sources.