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ranye 他贴的链接里面明明白白写了:
That ’ s odd, because most digital maps insist that apps cite their license when they use them. Even OpenStreetMap, one of the most complete and permissive databases of geographical information, mandates users “ credit OpenStreetMap and its contributors.” Pokémon Go could, however, have used a limited and imperfect U.S.-government map called TIGER without citing its existence at all.
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这个地图数据就是美国统计局一个公开的 2013 年的地图数据。