RECEIVER, ITS METHOD, TRANSMITTER, ITS METHOD, INFORMATION PROCESSING UNIT, ITS METHOD, TWO-WAY COMMUNICATION SYSTEM, ITS METHOD AND SERVED MEDIUM
PROBLEM TO BE SOLVED: To acquire preference of viewers to programs and commercial programs during broadcast in real time. SOLUTION: When a user of a receiver 1 depresses a notice button provided to a remote commander 21 as an intended expression of preference to people and articles or the like displ...
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