[OSM-talk] How is there not any creative-type (US) copyright in OSM data?

[Anthony]

On Sat, Dec 12, 2009 at 10:56 PM, John Smith <deltafoxtrot256 at gmail.com>wrote:

> That's the issue I have, I have no problem giving back to the
> community, but I don't want commercial companies just sucking up all
> the data and not giving hardly anything back in return if they extend
> the map, it's not fair to me or anyone else who chooses to donate our
> time for "the greater good".
>

It's perfectly fair.  You agreed to license your contributions under
CC-BY-SA.  CC-BY-SA doesn't require that you give anything back to anyone.
It only requires that you give credit to the authors and license any
derivative works that you distribute under CC-BY-SA.
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