“…Although WhatsApp is currently considered the main messaging app for smartphones -by the end of 2017, it had up to 1.5 billion active monthly users [10] -its study had usually been restricted to the analysis of the communicative roles it played among young people from Asia [11] and America [12], or to the study of its informative use in certain fields of knowledge, such as health [13,14], education [15,16], and to a lesser extent in relation to documentation [17] and journalism [18,19]. Regarding the types of groups analysed, there are a large number of student groups [20,21,22] and groups of professional teams [23,24], but friend and family groups [3,25] have rarely been studied.…”