People are really really good as estimating and sorting access time and creation time, though, so we can binary search through that. People who use paper journ

People are really really good as estimating and sorting access time and creation time, though, so we can binary search through that. People who use paper journals report they are really could at finding items by remembering when the related activity happened. Emacs org mode (or is it TODO.txt, I forget) also uses this principle.