I'm inclined not to see this as surprising. There are as many ways in which people conceptualise their 'offline' knowledge as there are people, and there is nev

I'm inclined not to see this as surprising. There are as many ways in which people conceptualise their 'offline' knowledge as there are people, and there is never going to be one size to fit all. Org-mode is probably the closest contender, if only for its sheer flexibility - but the fact that it's wed to something (i.e. emacs) that the gen-pop would immediately recoil from is only ever going to limit its adoption to a tiny subset.