4. The interactive television system according to claim 1 , wherein the communication interface and processing unit are further configured to (i) receive a broadcast of the script program through a first communication medium and (ii) transmit and receive data through a second communication medium.
4. The interactive television system according to claim 1 , wherein the communication interface and processing unit are further configured to (i) receive a broadcast of the script program through a first communication medium and (ii) transmit and receive data through a second communication medium. 5. The interactive television system according to claim 4 , wherein the first communication medium comprises a digital television network and the second communication medium comprises one or more media selected from the group consisting of an over-the-air transmission, a cable network, a network linking a plurality of computers, a closed-circuit television network, a digital broadcast network and a satellite link.