George H. Heilmeier, director of DARPA (the advanced-technology research agency of the US Defense Department) from 1975 to 1977, formulated a set of questions to help evaluate research proposals.
Disclaimer: I use Emacs, but I am not deeply into various emacs cultish uses. I just write books and about everything else in it. (Except mail.)
That being said, I am currently dealing with Markdown and friends, and so I came across Org Mode.