Game Theory have bogged down into sterile banalities, but the psychic and social changes resulting from these forms have altered the whole of our lives. Many people feel a strong urge to "doodle" while telephoning. This fact is very much related to the characteristic of this medium, namely that it demands participation of our senses and faculties. Unlike radio, it cannot be used as background. Since the telephone offers a very poor auditory image, we strengthen and complete it by the use of all the other senses. When the auditory image is of high definition, as with radio, we visualize the experience or complete it with the sense of sight. When the visual image is of high definition or intensity, we complete it by providing sound. That is why, when the movies added sound track, there was such deep artistic upset. In fact the disturbance was almost equal to that caused by the movie itself. For the movie is a rival of the book, tending to provide a visual track of narrative description and statement that is much fuller than the written word. In the 1920s a popular song was "All Alone by the Telephone, All Alone Feeling Blue." Why should the phone create an intense feeling of loneliness? Why should we feel compelled to answer a ringing public phone when we know the call cannot concern us? Why does a phone ringing on the stage create instant tension? Why is that tension so very much less for an unanswered phone in a movie scene? The answer to all of these questions is simply that the phone is a participant form that demands a partner, with all the intensity of electric polarity. It simply will not act as a background instrument like radio. A standard practical joke of the small town in the early days of the telephone draws attention to the phone as a form of communal participation. No back fence could begin to rival the degree of heated participation made possible by the partyline. The joke in question took the form of calling several people, and in an assumed voice, saying that the engineering department