Similarly, in areas of commercial speech it was held that the Government may ban forms of communication more likely to deceive the public than to inform them and commercial speech regarding illegal activity - Friedman v. Rogers 440 US 1 (1979); Warner-Lambert Co. v. FTC, 562 F.2d. 749 (1977) d.c.; Pittsburgh Press Co. v. Pittsburgh Commission on Human Relations 413 US 376 (1973).