 Indeed, the idea of commercial speech was first introduced by the Supreme Court when it upheld "Valentine v. Chrestensen" in 1942, which ruled that commercial speech in public is not constitutionally protected.In upholding the regulation, the Supreme Court said, "We are...clear that the Constitution imposes...no restraint on government as respects purely commercial advertising".This ruling, however, would be overturned with "Virginia State Pharmacy Board v. Virginia Citizens Consumer Council" (1976) and "Central Hudson Gas & Electric Corp. v. Public Service Commission" (1980).