Effets rhétoriques de l'augmentation énonciative des discours numériques. Le cas des "retweets avec citation"

This paper focuses on the rhetorical effects of a particular type of tweet, the retweet including a quoted tweet. It involves a double "enunciative augmentation" (Paveau 2017a, 2017b) that often has an argumentative function. The study of the discursive and linguistic features characterizing this technodiscursive practice is carried out on a thematic corpus related to the French public debate on end-of-life issues. After resuming the specificities of digital discourses and showing the distinctive aspects of retweets including a quoted tweet, the analysis of the corpus shows the rhetorical features of two constructions which are recurrent in this type of tweet: the use of connectors introducing an argumentative sequence and the use of dialogic strategies. The rhetorical effects of the enunciative augmentation of retweets including a quoted tweet are finally put in relation with what we propose to consider as a "function of technodiscursive attestation". It also emerges that this quotational practice often entails the hierarchical sharing of the speaker's enunciative responsibility.