Libro sobre marketing móvil

http://books.google.es/books?id=gvHy2GAtAL0C&pg=PA281&lpg=PA281&dq=barnes+and+scornavacca&source=bl&ots=myR1mgnMEL&sig=i_xMRtOjEQPYxdDuE9u0kzHA6Nk&hl=es&sa=X&ei=Dq0ET4zZEYOBOsKu9L4B&ved=0CDEQ6AEwAjgK#v=onepage&q=barnes%20and%20scornavacca&f=false