> site:.com inurl:"humans.txt" "the humans responsible & colophon"

That yields just "About 139 results". But searching for

    inurl:humans.txt filetype:txt

[1] gives "About 2,030 results". Quite surprised seeing it somewhat adopted by Google and Netflix, but not exactly in the way proposed by the "standard".

https://www.google.com/humans.txt (Vague.)

https://www.netflix.com/humans.txt (Promotional misuse, probably.)

https://www.paulirish.com/humans.txt (Awww.)

[1] https://www.google.com/search?q=inurl:humans.txt+filetype:tx...