Teledu: ystadegau gwylwyr yn fyd aml-sianel

Television ratings as we know them are synonymous with one company—Nielsen, which created the famous “Nielsen ratings” that measure television show’s viewership. For broadcasters—and advertisers, who fund them—this is crucial data, determining the desirability, and thus price, of commercial airtime. Neu BARB fan hyn… Nielsen’s most famous methodology is the “diary,” in which members of… Parhau i ddarllen Teledu: ystadegau gwylwyr yn fyd aml-sianel