Want to create some buzz at your website?
Social Plugins - Facebook Developers
Of course you can add 'Like' buttons and things like that, but my personal favourite is the Comments Plugin:
Comments - Facebook Developers
You'll need a Facebook developer account if you want advanced functionality, and you can add a special code into your html to make yourself the moderator for any comments left on your site.
Check out the links, the tools on the Facebook developer pages let you specify your URL, width of widgets and color schemes then creates the code for you.
Awesome.
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