Since most recently-created works are copyrighted, almost any Wikipedia article which … See more

Contributors who repeatedly post copyrighted material despite appropriate warnings may be blocked from editing by any administratorto prevent further problems. I… See more

Images, photographs, video and sound files, like written works, are subject to copyright. Someone holds the copyright unless the work has explicitly been placed in the publi… See more

Works produced by civilian and military employees of the United Statesfederal government in the scope of their employment are public domain by statute in the United … See more

In contrast to the federal government, most state and local governments in the United States retain copyright to their employees' work. Such work is not in the public domain, so … See more