AC.0x as standard items, e.g.
And then re-implementing your own system this way.
'Unstructured thoughts' vs. blog.
Link to that series of articles you found.
Using a number or a category as an inbox so you can quickly dump an idea without having to go back to the system.
But now, like GTD, you have to rigorously review and organise.
Is it better to just leave a number off then do that?