There are two main methodologies of open source development. There's the Apache model, which is design by committee - great for things like web servers. Then you have the benevolent dictator model. That's what Ubuntu is doing, with Mark Shuttleworth.
Quantcast combines powerful web analytics with easy-to-read charts and data.
I think it's really important for the independent web to have a platform, and to the extent that WordPress can serve that role, I think it's a great privilege and responsibility.
The promise of the early web was that everyone could have a website but there was something missing. Maybe the technology wasn't ready.
WordPress.com is the only service of its kind that not only lets you export your data, but gives you an open source package you can run on pretty much any web host out there to run your own instance of the software. So the freedom is really in your hands.
The power of the web is not in centralization; it's not in closed systems or anything like that. It's in its open nature, and that's what allowed it to flourish for the first 10 or 15 years.