A Facebook Fan Box or Like Box is a great plugin that allows blog
visitors to subscribe to your blog updates via their Facebook accounts,
without leaving your blog. After subscribing (by pressing like button),
visitors will receive your most recent blog updates on their Facebook
page. This box also displays faces of the "likers" on your blog. Before
creating a fan box you should already have a facebook fan page. If you
haven't yet created, click here to learn How to Create a Facebook Fan Page.
Click here