Six Apart, makers of Movable Type, Typepad and other popular blogging services, have launched a new Facebook application designed to broadcast your posts to just about any external source you’d like.

Blog It allows you to compose and post updates within the Facebook interface and have them simultaneously appear on any one of the ten supported services, including Movable Type, TypePad, Pownce, Twitter, Blogger, and WordPress.

The idea behind Blog It is to simplify the process of updating all the various sites and services you use, offering a single interface for updating all your sites. It’s a bit like turning Facebook into a fire hose that sprays your thoughts across the web.

FriendFeed is also toying with similar, though much more limited cross-posting features, like the ability to send comments to Twitter. Blog It, however, offers far more complete updating capabilities.

Full story: wired.com