Copyright protects writers from having their work copied without permission. It also protects against plagiarism, where someone claims another's work as their own. Watersheds determine when adult content can air on television, as to not expose children. Censorship involves prohibiting certain speech or content deemed offensive. As a writer, time management is important to meet deadlines and continue producing new work. Literary agents can help writers get their work published by representing them to publishers. Royalty payments allow publishers ongoing use of a writer's intellectual property in exchange for payment. Professional scripts follow standard formatting guidelines for margins, font, and length.