[OSM-legal-talk] [OSM-talk] ODbL vs CC-by-SA pros and cons

[Rob Myers]

On 08/29/2010 05:58 PM, Maarten Deen wrote:
>
 > I'm merely
> pointing out that it is impossible to ask from a contributor to accept
> the current license *and every imaginable other license* because we
> don't know how the license will change in the future.

We do know how the licence will change: it will change to address 
challenges to the freedom to use maps and geodata freely.

> That, basically, is the same as asking to sign a blank sheet of paper.

It's basically the same as copyright assignment. Which can work well for 
projects of non-profit foundations.

- Rob.