Why am I excited about this? Because I can do [something like] micro.blog, but self-hosted.
Because I get (1) the Site Editor—which, like it or not, may very well be the future of WordPress—and (2) microformats—and I don’t even need to touch HTML!—and (3) Webmention, and (4) most everything needed to get a microblog going (archives, randomized slugs, etc.).
With a single plugin