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| | The Communitarian Network |
 | | These ratings are then included in the transmission of each program during the "vertical blanking interval"the extra signal room in all television transmissions that is already used, for example, to broadcast closed captioning (sending rating information thus requires no expansion of current transmission technology). |
 | | Hence the need to rate all television programswhich are many times more numerous than movies (while there are about 2,000 hours of television programs to be rated each day,4 by contrast the entire movie industry combined produces 1,000 to 1,200 hours of movies per year5). |
 | | Its ratings are based on evaluations by parents and child development specialists, and take into account the various levels of violence, sex, and other inappropriate content, as well as the developmental stage of the children. |
| www.gwu.edu /~ccps/tv.html (0 words) |
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