E-Law 3.0.1 . However, not all communication over a common carrier are unregulated. E-Law 3.0.1 . There are also various state and local obscenity laws. E-Law 3.0.1 .
Material transmitted by computer is either by telephone wire or network connection.
Potential for liability can arise anywhere in nation. E-Law 3.0.1 . Commercial U.S. mail enjoys some constitutional protection. E-Law 3.0.1 . Cyber Promotions, Inc. v.