[pd-discuss] A Guide to Finding Public Domain Works Online

Thu Jan 26 12:45:46 UTC 2012

You're right - CC-BY-NC-ND is more restrictive, I'd forgotten about  
that one! CC-BY-NC-SA is viral in its non-commercial-ness, making it  
more restrictive than plain old CC-BY-NC. Having the -SA in there is  
also very confusing, because without the -NC it's pretty great.

--Nina

On Jan 26, 2012, at 1:02 AM, Christian Hufgard wrote:

> Hi Nina,
>
> On 26.01.2012 02:11, Nina Paley wrote:
>> Thanks for making that. Please add CC's most restrictive license:
>> CC-BY-NC-SA. They really should get rid of it, but people continue to
>> use it.
>
> Why do you say this is the most restrictive license? In my opinion
> cc-by-nc-nd is more restrictive, due it doesn't allow derrivate works.
> NC-SA "only" forbids commercial usage and is viral in its freeness.
>
> Christian
>
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