Blogs have become commonplace on the Internet. They're an easy way to publish articles in a standard format. Readers can subscribe to an RSS Feed of your Blog and will be notified by their RSS Reader when you add a new post.
You can add a Blog by choosing Blog from the Add a New: menu and clicking Add in the Construction Zone. You'll get this page:

A blog has an author and you can optionally allow people to comment on your blog posts. The comments need to be approved by you before they will go public on the website. Once you've added your blog you can add a Post:

You can then check out your blog post on the website. I've added another blog post so you can see that it shows the latest post when you first visit the blog.

You can then browse older posts. I'm about to leave a comment on the older post that I made:

When comments have been made, we can quickly see which posts have comments that are awaiting our approval:

We can then click Manage Comments next to the applicable Post to view and approve them. To approve a comment, just click the cross to turn it into a tick:

Our comments then show up underneath the blog post on the website:

So as you can see, Blogs are a great way to keep in touch with your audience. Finally, here's what the RSS Feed looks like when viewed in Firefox:
