And just a couple more comments which arrived by email, on the filing problem, and solutions

GP Says:

I opt for the ‘disorganised piles in boxes’ approach, and a brain which alway knows that ‘I’ve read something about that somewhere, now what was it and what did I do with it…’. It doesn’t work very well, but neither has it ever crashed…
If you come up with a good system let me know!

JS Says (in ps)

PS. My colleague, Dan, (who’s very into data visualisation) mentioned – which probably doesn’t help too much, but is quite cool. Dan says “if your brother wants to talk about self organising maps, I’m more than willing”.