Chris runs the infamous and fantastically sweary Devil’s Kitchen blog, and because he’s one of the naughtiest geeks (second only to the incredibly, incredibly naughty Guido Fawkes) he’s right at the top of the evil dork hierarchy.
I might compose a longer reply to Charlotte's post, but I would say that it is not necessarily that libertarians are all geeks, as she asserts, but more that people who are interested—really interested—in politics are, in the main, geeks.
And by "really interested", I mean those who think about the philosophy and policies behind the whole political process—I am not counting, for instance, those enthusiastic members of Labour, LibDems or the Tories who turn out every weekend to knock on doors simply out of tribal loyalty, nor those who do it for social motivations (and there are plenty of both).
To be a libertarian—a real libertarian and not merely a Tory who doesn't mind, for instance, a bit of drug-taking—requires you to really think about the your entire world-view. It requires a certain amount of mental agility, and it requires a certain amount of actual knowledge—of history, of economics, of philosophy...
People who are tribally loyal to certain parties are not going to vote for anyone other than that party—they are loyal to the party, not the policies: as such, all too many of them never really consider the policies.
Libertarians have to think—not only about the philosophy and what it means, but also about how that philosophy can translate to real world policies.
As such, they tend to be intelligent, well-educated and used to working through complicated processes; and, given that libertarianism requires appeals to reason and not to touchy-feely cuddliness, they tend to be able to consider things in a somewhat detached manner.
In short, the profile of libertarians corresponds pretty closely with the profile of geeks. This doesn't mean that libertarians cannot convince non-geeks, only that those who tend towards this philosophy are often geeks.
Anyway, we shall see how it all pans out...