Facebook and Disqus have completed their integration. If you have already added the API key from Facebook to your Disqus website control panel then you should be receiving and email like this tonight:
You are receiving this email because you’ve added a Facebook
API Key to your website on Disqus. Tonight, we at Disqus have
pushed Facebook Connect availability for all sites.
*NOTE* You will need to add your Facebook Secret Key as well
to finish the integration.
You can do this here: http://disqus.com/admin/settings/