| 摘要 |
The present invention makes viewers surely view commercial programs. When a commercial program is broadcasted and displayed on a display ( 7 A), a viewer is requested a response. The viewer operates a prescribed key in the ten key ( 32 ) of a remote controller ( 31 ) for response. If the viewer responds to the response request of the commercial program, points are added to a smart card ( 10 ). The viewer can view a pay program using the points recorded in the smart card ( 10 ).
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