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We study several longstanding questions in media communications research, in the context of the microblogging service Twitter, regarding the production, flow, and consumption of information. To do so, we exploit a recently introduced feature of Twitter known as “lists” to distinguish between elite users—by which we mean celebrities, bloggers, and representatives of media outlets and other formal organizations—and ordinary users. Based on this classification, we find a striking concentration of attention on Twitter, in that roughly 50% of URLs consumed are generated by just 20K elite users, where the media produces the most information, but celebrities are the most followed. We also find significant homophily within categories: celebrities listen to celebrities, while bloggers listen to bloggers etc; however, bloggers in general rebroadcast more information than the other categories.
Who Says What to Whom on Twitter | Yahoo! Research
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Nombre d´internautes désirant optimiser la création de trafic sur leurs sites web se posent cette question. Selon l´étude que nous avons menée sur les deux derniers mois sur le réseau WidgetBooster , le meilleur moment pour tweeter est aux alentours de 14h en semaine et 18h le week-end . Comment avons-nous obtenu ce résultat ?
