http://public.wsu.edu/~taflinge/addefine.html http://public.wsu.edu/~taflinge/addefine.html http://public.wsu.edu/~taflinge/addefine.html http://public.wsu.edu/~taflinge/addefine.html Washington State University: A Definition of Advertising http://public.wsu.edu/~taflinge/addefine.html