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Usenet may be regarded as the worls largest conversatioti appficatioq with over 17, 000 newsgronps and 3 fion users. Despite its ubiquity and poptiari~, however, we know Etie about the natore of the interactions it suppo~. ~s empirical paper investigates mass interaction in UseneL We anrdyse over 2. 15 Mon messages from 659, 450 posters, co~ected from 500 newsgoups over 6 months. We fit characterise mass interactio~presenting basic data about demographics, conversational strategies and interactivity-Using predictions tiom the common ground 3 model of interactio~we next conduct causal modetig to determine relations bemeen demographics, conversational strategim and interactiv~.
Whittaker et al. (Sun,) studied this question.