Every now and then an emacs user discovers M-x zone for the first time and it's always a surprise and terror and delight
@cwebber Aaaaaaaaaaa
Note: it's much better when you aren't in a 1-line file.
@kellerfuchs for best effect run by an unknowing user in a buffer full of lots of contents they really care about
@kellerfuchs I suppose it's mean, but no damage is done other than a brief scare :)