Every wordpress blog comes with built-in RSS feeds. This is really handy since there are tons of sites on the web that will let you submit an rss feed (see below), which results in you getting more backlinks and having your content syndicated all over the internet. I went through a bunch of old RSS submission lists today and tested all of them (200 sites tested), and found 39 that are still active and will take your RSS feed. If you've got some free time, there list is available here: http://www.christianlittle.com/internet-marketing/where-to-submit-your-rss-feed-for-free.html For 2-3 hours of work you can get a bunch of backlinks and have your blog content syndicated to a bunch of places. I do it to every blog I setup since it's free
Here is a list of websites you can submit your RSS feeds to - http://www.rss-specifications.com/rss-submission.htm