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HDTV is only a marketing tool to get everyone to switch to ATSC. The real driving force is money. What we will see is not only the end of NTSC broadcasting, but the end to free tv broadcasting. Maybe not at first, not until sufficent market saturation. Since networks can put multiple Standard def programs on one digital channel, How long do you think it will take them to start charging you to receive the signal. That is what digital cable does now with addressable decoders. You may not only need a set top box, but an addressable set top box. The technology is already there. Remember the networks were not to happy with the cable superstation networks, after Ted Turner was charging for what they were giving away. It's all in the money.
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