Facebook has released the official plugin for WordPress CMS there by enabling bloggers to publish and share their content on WordPress easily. Previously the same functionality is provided by a Facebook app named as Wordbooker but after the launch of this new plugin there is no need of Wordbooker.
With this plugin you can not only manage the publishing of your content on Facebook but can also mange the activity feed and recent comments. it comes with some pre defined wordpress widgets for showing the activity feed, recent comments and Facebook like by your friends.
The plugin in question can be downloaded from WordPress Plugin Directory and can be installed with just a single click from with in your admin interface. Just search for Facebook for WordPress