Awesome. After some more consideration: still Awesome. Go Automattic!
Microsoft says that it decided that instead of building its own competing blogging service, it should go with WordPress’s fleshed-out feature set, which has 26 million users and powers over 8.5% of sites across the web. Users will be migrated through a process that preserves all of their content, and will automatically redirect visitors who head to their existing Microsoft Live Spaces sites.