Development of Creative Commons licenses

[Glenn Otis Brown <glenn AT creativecommons.org>]

not sure if this has been answered yet, but the reasons for not 
extending the SA requirement to collective works are

(1) to avoid the kind of confusion that sometimes happens with the GPL 
regarding aggregation of "free" and "nonfree" works -- happens quite a 
bit --
early on we wanted to clarify between mere aggregations (no copyleft) 
and derivations (copyleft)

(2) to avoid profilerating license options -- we already get a lot of 
feedback that there are too many options as it is. the marginal gain 
from adding a broader SA requirement outweighs costs in UI, etc.

On Mar 28, 2005, at 1:28 PM, drew Roberts wrote:

> On Monday 28 March 2005 04:11 pm, Greg London wrote:
> > drew Roberts said:
> > > Do you know of any reason why SA
> > > should not cover the same uses as NC?
> >
> > not sure. my guess is that it came from
> > the way GNU copyleft licenses work.
> > They allow works to be aggregated
> > with non-copyleft works.
>
> Sure, I know how the GPL works, probably better than how the CC stuff 
> works.0
> > Some specific examples on the GNU website
> > say they want their software to be
> > distributable on a CD with non-GNU
> > licensed works.
> >
> > The user can then do a local build on
> > their machine, combining the copyleft
> > stuff with the proprietary stuff.
> >
> > If you can't aggregate, you'd have
> > to use separate CD's.
>
> If it is just a matter of history, CC did not have an issue with NC 
> even
> though the GPL would. This would just be another of the spectrum of 
> rights to
> keep/give up. Right?
>
> Does anyone know of any substantive reasons why SA should not cover 
> the same
> uses as NC?
>
> all the best,
>
> drew
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Glenn Otis Brown
Executive Director
Creative Commons
glenn AT creativecommons.org
+1.415.946.3065 (telephone)
+1.415.336.1433 (mobile)
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