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 홈
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| 작성자 : Travis |
작성일 : 2021-10-10 오전 3:22:17 |
조회수 : 2189 |
| Three years tegretol 400 mg precio guatemala It used to be that the only thing that determined whether a TV show was a success was whether folks actually sat down to watch it when it aired. And, starting in 1950, that’s what A.C. Nielsen and his eponymous company measured: using surveys and the audimeter, technology first developed to track radio listening, the company was able to find out which percentage of TV-watching homes were watching which channels at which times. That data helped networks and advertisers determine the success or failure of a show.
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