If I'm doodling designs our the like, or if I'm not at my computer (say, at a client's office), it has to be pen and paper. Any other time, it's emacs in org-m

If I'm doodling designs our the like, or if I'm not at my computer (say, at a client's office), it has to be pen and paper. Any other time, it's emacs in org-mode, with source code blocks for code or output.