Sandi Michele de Oliveira Breaking Conversational Norms on a Portuguese Users Network: Men as Adjudicators of Politeness? 2003 9 J. Computer-Mediated Communication 1 http://dx.doi.org/10.1111/j.1083-6101.2003.tb00361.x db/journals/jcmc/jcmc9.html#Oliveira03 0