This reminds me of the struggle mapmakers used to have where other map makers would copy their maps. So to counter it and be able to prove the copying, they wou

This reminds me of the struggle mapmakers used to have where other map makers would copy their maps. So to counter it and be able to prove the copying, they would add tiny unnoticeable but fake places. https://vinepair.com/cocktail-chatter/cartographers-fake-places-maps/ https://vinepair.com/cocktail-chatter/cartographers-fake-pla...