[Air-L] Twitter History

Hi, Can someone point me to academic sources about Twitter history? I mean, beyond the Wikipedia page (which is excellent but contains essentially journalistic references about it). It can be a wider scope work including some notes on the history of Twitter. Thanks, Guillaume -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- Guillaume Latzko-Toth Professeur adjoint / Assistant Professor Information & Communication Université Laval, Québec, Canada =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=