I'm interested in a source for the 10% statistic. There are only 42m sex workers worldwide... and that number is not entirely women, and not entirely people involved in content creation.

Um, as best I can tell from similar articles, they're all script kiddies.

I made this. It makes it easy to use all of the most common gnu tools via brew, without having to do gsed for sed, etc... all with working man pages. It also lets you switch back easily in a shell session if you need the mac native ones for some godforsaken reason:

https://github.com/kilna/gnu-on

Underscore prefix in a label has conferred a meaning of private or reserved in the C programming language since at least Unix Version 6 in 1975, which had underscores to denote system level functions and variables. MUMPS in 1966 reserved a % prefix to indicate system variables and routines, so a convention of using a non-alphanumeric character to distinguish scope has been around about as long as ASCII has been the dominant standard for text.