CoveritLive's web based software publishes your commentary in real time like an instant message. One-click publishing lets you add polls, videos, pictures and audio clips instantly, and take questions.
Once you have a document you want to post to your blog, click on the Publish tab in the far right-hand side of the Google doc, and you will see the option to Publish to Blog.
BuddyPress is a suite of WordPress plugins and themes which extends WordPress MU and brings social networking features to a new or existing installation.