Nowadays, social networks (SN) are increasingly extended at a professional and personal level, and their use has also been included in educational contexts. In the field of translation and interpretation, in which this proposal is framed, the use of SN seems even more relevant, since working as a freelancer is one of the main professional opportunities of translators and interpreters. This article analyses the impact of Twitter on the learning process of an English class for students of the degree in translation and modern languages in terms of enhancing their communicative competence in English while at the same time increasing their motivation with an approach to professional reality. This analysis was part of a pilot study to examine to what extent the use of this social network could be useful and positive for our students.