Keep reading! That is just the Purpose section, which summarizes the license. The specific sections affecting copyleft are Copyleft, Prototypes, Applications,

Keep reading! That is just the Purpose section, which summarizes the license. The specific sections affecting copyleft are Copyleft, Prototypes, Applications, and Contributing. I think they are slightly easier to read and understanding on the master branch of the development repository: https://github.com/kemitchell/api-copyleft-license/blob/master/license.md#copyleft https://github.com/kemitchell/api-copyleft-license/blob/mast...