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Notice: Public Domain Mark 1.0. What is it, and what are the legal implications?
The tools also differ in terms of their effect when applied to a work. CC0 is legally operative in the sense that when it is applied, it changes the copyright status of the work, effectively relinquishing all copyright and related or neighboring rights worldwide. PDM is not legally operative in any respect – it is intended to function as a label, marking a work that is already free of known copyright restrictions worldwide.
It is a statement without any legal effect. The creator [Flickr user] can at any point change their mind and remove the PDM, and that it was previously applied means nothing, since they have not actually given up their rights, or licensed the work. PDM is not a legaly binding release which is non-revocable, which is needed to be stored on Commons. If someone changes a work from PDM to ARR, any use of it by us, or anyone else, is a blatant copyright violation.
It is a label. I think so, Creative Commons think so and it clearly says so. It s not a release of copyright. Our discussions if it is similar to other licenses or {{PD-author}} or not, is a non-question, since it is a revocable label. That's it.
With this announcement Flickr users will be able to choose from among our six standard licenses, our public domain dedication, and they will also be able to markothers’ works that are in the public domain.
Keep, obviously. Blythwood (talk) 18:12, 22 November 2015 (UTC)
