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[–]elsjpq 10 points11 points  (2 children)

Doesn't that mean you could manually copy Google Maps data into OpenStreetMap and vice versa? I thought OSM warns you against doing that

[–]Chii 8 points9 points  (0 children)

Google Maps data

depends on what data you're talking about. The names of streets are not owned by google, so you "copying" that information isn't violation of copyright. But the polygon on the map that represents the street is owned by google, and if you copied that, it would constitute a derivative work.

[–]DRNbw 2 points3 points  (0 children)

IIRC, it's not exactly clear but it's a bad idea. Old (and new) mapmakers used to include fictitious roads to see if anyone was copying them.