A few more thoughts on the brain: I keep finding myself not trusting it as a system. I understand the notion of a mind map and all of that, and I find maps like that to be insanely useful. But when it comes to storing and organizing data, there is a part of me that WANTS a tree format, wants a system that gets more specific as you drill in to it. I guess what I am saying is taht filing has always felt like convergent thinking ... thinking that encourages specificity and simplicity. The Brain feels divergent, encouraging new modes of thought, new links between data, new ideas...