It is not always legal to do so; in some countries it is impossible to forego your copyrights. CC0 is a tool that allows to get as close as possible to a public

It is not always legal to do so; in some countries it is impossible to forego your copyrights. CC0 is a tool that allows to get as close as possible to a public domain dedication. See https://creativecommons.org/share-your-work/public-domain/cc0/ https://creativecommons.org/share-your-work/public-domain/cc...