Development of Creative Commons licenses

[Rob Myers <rob AT robmyers.org>]

James Grimmelmann wrote:
> [...]there's a limit on how strong a strong copyleft
> will be enforceable.  I'd guess that sometime before that point, the
> stronger copyleft actually becomes counterproductive because it deters
> too many people from using it at all.

Absolutely. What happens if an entire TV channel has to be SA just to 
show a single SA music video? How strong is too strong?

drew Roberts wrote:

> Bingo. Just because the SA has been tied to derivatives in the past does not 
> mean this is the only possibility.

NC is tied to an NC context whether derivatives are involved or not for 
example.

- Rob.