In this page (https://orgmode.org/worg/org-gtd-etc.html) the link to the
"very instructive post by Pete Phillips" now directs to the defunct
gmane.org.  I think I tracked down the post it is supposed to link to, so I
don't want others to have to do this work again:
https://lists.gnu.org/archive/html/emacs-orgmode/2007-12/msg00281.html

Best,
Joshua