Before revision: As coined in the writings of Marshall McLuhan, metamedia referred to new relationships between form and content in the development of new technologies and new media.Understanding Media: The Extensions of Man (1964) Marshall McLuhan McLuhan's concept described the totalizing effect of media .
After revision: As coined in the writings of Marshall McLuhan, metaelectric and electronic media environments referred to new relationships between form and content in the development of new technologies and new media.Understanding Media: The Extensions of Man (1964) Marshall McLuhan McLuhan's concept described the totalizing effect of media .