[OSM-talk] Why do you use Google Maps instead of OSM? Because of buildings...

[Anthony]

On Tue, Nov 10, 2009 at 8:30 AM, Peter Miller <peter.miller at itoworld.com> wrote:
> My reading of this is
> that CloudMade are claiming (c) over the rendered images which would
> make it illegal to copy them without permission. Such a restriction is
> of course incompatible with the CC-BY-SA OSM data licence

No it isn't.  You have to copyright a work in order to release it
under the CC-BY-SA license.