What is this?

Ever since the year 2000 or so, I've been using this personal wiki to try to write down everything that I learn (before the gremlins steal it out of my brain). It's mostly a mixture of rough notes and half-baked thoughts, but I figure I might as well make it publically-viewable so that people can tell me which parts are hopelessly naive or complete bullshit. (My dream is to have my entire brain on display here, and to have an army of really smart people poring through it, pointing out bugs and suggesting enhancements.)

Where's a good place to start?

If you're trying to find my opinion on something in particular, or if you're just looking for a place to start browsing, try one of these broad categories: