One of the newest cool things to come out of the f8 Conference is the Open Graph protocol/API that makes it really easy to get Facebook integrated with your blog or website.
The easiest thing to do right now is to add a Facebook Like button to your site:
You can see one on this blogover in the right sidebar (for the ProWorks Blog)at the bottom of each postor try it for this post below:
To get this now, go to the Like Button Builder on Facebook. It's super-easy for a single URL.
Once you get this going, you can add a news feed of all of the people liking stuff on your site. That is done with the Activity Stream Builder. Again, super easy. Check it out:
For more information on the new Facebook features, take a look at the recorded stream from the f8 Conference Keynote.