If you as publisher are claiming the ownership of some content (by enforcing various restrictions upon its users, through DRM or just by imposing an agreement o

If you as publisher are claiming the ownership of some content (by enforcing various restrictions upon its users, through DRM or just by imposing an agreement on which you can hold later) even after it was downloaded, then you are very close to service definition. It's like the way the provided service reach the client may differ, but the basic value for which the interested client actually pays stay the same.