I know a few people born in, or on the edge of the "neolithic", inuit from far up north, and idiginous peoples a bit further south, and more than a few scotts, including a clan of blacksmiths, but allas this space isn't quite suited to the raising of ghosts but as a fact, there is no invention or practice that is not bieng conducted nativly, astounding continuity, though essentialy invisible, as there are no signs, labels, certificates, or verifications, completly unplanned, though closed source in that most essential of ways