I am a long time fan of mind maps and outliners. Recently, I've spent a few hours messing around with one of the oldest text editors of all: Emacs . It goes back to the 1970s. Over time, the editor was "extended," so that it now has over 2,000 commands, and has "modes" that let you program in various software languages, read newsgroups, send email, create websites, and on and on. But the mode that interests me most is an outliner called org-mode (for "organization," I guess). In addition to powerful commands for creating outlines that can be expanded, collapsed, moved, and instantly exported (to pdf, html, odt, and more), org-mode also supports an almost overwhelming array of text editing and planning options (to dos, due dates, etc.). Way back in 1982 I bought my first computer, a Kaypro II, running CP/M and a "Perfect" package of software. Perfect Writer was, it turns out, a subset of Emacs. So looking at it again, I find that my fingers ...