The difference of Twitter use of some Japanese newspaper companies after the Great East Japan Earthquake

Abstract

After the Great East Japan Earthquake, some Japanese news paper companies dispatch positively information via Twitter. In this study, it was analyzed how 4 Twitter-account in 3 Japanese news paper companies were used tweet from 11 March to 11 April. As a result of this analysis, it became clear that the types of tweet of each Twitter-accounts differ. The difference in a type was classified into a "one-way traffic type", "both directions type", "for the stricken areas", and "to except for the stricken area" from the contents of the twitter, form, and the existence of the link.