I used to think that my sales would be better if I put some western country, never tried it thou and I really don't know what it means. Maybe acts like an additional invisible keyword when strictly searched.
I read somewhere, on 123RF or DT, don't remember, that it helps buyers find photos relevant to their country, for instance if a buyer is looking for an isolated hairdryer the search will come up with hairdryers with wall plug relevant to buyer's country. Something like that.
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