historia de la comunicacion By MarielO Sep 11, 1444 IMPRENTA Sep 11, 1860 periodico Sep 11, 1876 telefono Sep 11, 1889 cinematografo Sep 11, 1920 radio Sep 11, 1927 television Sep 11, 1937 radiotelescopio Sep 11, 1938 telegrafo Sep 11, 1973 celular movil Nov 1, 1981 computadora personal
