The microblogging service Twitter is in the process of being appropriated for conversational interaction and is starting to be used for collaboration, as well. In order to determine how well Twitter supports user-to- user exchanges, what people are using Twitter for, and what usage or design modifications would make it (more) usable as a tool for collaboration, this study analyzes a corpus of naturally-occurring public Twit- ter messages (tweets), focusing on the functions and uses of the @ sign and the coherence of exchanges. The findings reveal a surprising degree of conversa- tionality, facilitated especially by the use of @ as a marker of addressivity, and shed light on the limita- tions of Twitter's current design for collaborative use. |
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