Whether it's arch-productivity guru David Allen's philosophy or Wikipedia entries I read like "Mind Deposit", I'm coming across a pervasive and common theme of writing stuff down, getting it out of your head, so you can alleviate stress and make progress on what's important to you in life.
It sounds all too simplistic at times: what could possibly come of recording what's on my mind? For me, it's been a lot so far, and I expect, incrementally, more to come. There are very good reasons why to do lists have made it into the digital age, why we extend metaphors of "notepads" into computer software, and why, even with hard drive prices continuing to drop and mass storage becoming so widely available, the basics are as relevant today as they were decades, or even centuries ago when humans first developed written language — effectively serving as an extension of our brains.
The human brain is amazing in its capacity, yet we have so much to learn about it. For me, I feel a lot better having written things down in a computer file, not because I'm afraid of forgetting, but in this social age, it's also much easier to share that tribal knowledge (a term which I was unfamiliar with until about a year ago). I'm especially reminded of that as Linden Lab scales and there are new employees I share my experiences with, so that they may have a smoother start at work. When I find myself manually repeating blocks of text in an email, though, that gives me good reason to write it up on our internal wiki for collaborative pooling. Taking a little extra time up-front to do that now will save me and others cumulative time in the future, so it's certainly worth it.
What's also extremely exciting is making hypotheses, casting theories about the expected results of experiments in productivity. I've reworked and adapted my methods through cycles of experience, so by now, I have a very good understanding of what's working, what's not, and what I'd like to do which I haven't explored before.
If I knew I could do something now that would prevent useless redundancy in the future, I'd do it. I think that's a fundamental part of my ongoing motivation to share what I know with you, to help make your life — or lives, if you have a Second one too 
— easier.
I either learn something, or I'm entertained by your blog (usually both). The problem with everyone writing everything down is "tribal wisdom" gets overwhelmed in all the words.
That's probably why tribal elders were entrusted with wisdom sharing in oral-tradional societies.
Torley, I hereby appoint you an official tribal elder. Lol. /hugs
@Seraphine: How very nice of you! I got inspired to start blogging in the first place because I was educated and entertained my many other blogs I read. Guess it makes sense I want to pass that on (very much in the spirit of greats like humorous physicist Richard Feynman).
I feel like I need a special tribal elder costume too, altho I still regard myself as having so much to learn (and always will), but am advancing in my years. So, semi-elder is how I see myself in the present.