@b0rk I've been doing this for 10 years longer than *that* and there was news to me in this article too. Thanks for all the great information and thanks for not letting these asinine commenters stop you, modeling this sort of openness to new information is super important.
(I accidentally discovered the *particular* fact in question early on by accident, because I'm a long-time Emacs user, and muscle-memory just had me trying those navigation keys…)