Says on the site that you can “turn your audience into a lively community with a suite of powerful commenting and community tools” which looks useful.

• Make your blog the center of discussion.
• Track and manage comments with ease.
• Create a lively community with reader profiles.
• Free and compatible with Movable Type, WordPress.org, Blogger, Tumblr, TypePad.

More here to chew on if that wets your appetite

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