I have Oct 2015, but it was definately commen then. Vaguely recall, 1970s tech book?
praxtime.com/2015/10/27/pcs
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just vague. The idea is old. Definitely think Evans has best recent popularizer. So a very fair cite for recent popularity growth.
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wiw, pretty sure clipper ship example in my post is lifted from a book. Couldn’t recall then either. Maybe search on that if you want.

