The Libertarian Futurist Society now has its own blog. It's always nice to see two of my obscure interests combined.
Here's something neat I found while perusing the archives of Neal Asher's blog: a timeline for the Polity universe. Beware of a small spoiler for The Skinner.
Finally, completely unrelated to science fiction, but too awesome to disregard, I give you: the greatest comic strip in the history of man. And even more here. (Hat tip: Hit and Run.)