Henry nodded at her, smiling again. "That's right. The cameras record moving pictures, basically, and then broadcast them to the television. And the music is previously recorded, and broadcast over the stereo by people running the radio shows." Then he looked back over at the computer, glancing at the mouse. "That's a mouse. We cal it that because, well, it kind of looks like a mouse." He chuckled at that and added, "Not the most scientific explanation, I know, but it's true."