Contemporary normative concerns that the Internet might fragment national audiences and polities are based on suggestions that the medium is particularly conducive to specialized use. However, relatively little quantitative research has explicitly examined this contention. This study evaluates outlet specialization within the context of online news reading. Analyses of news viewing by a nationally representative panel of Internet users reveal that the user demographic profiles of news sites are individually distinct. More important, the topics that readers view vary by the sites they access. In sum, the provision of news over the Internet exhibits ample signs of outlet specialization.
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