Affect and Social Media: Emotion, Mediation, Anxiety and Contagion. Sampson, T., Maddison, S. et Ellis, D. (dir.). (2018). Affect and Social Media. Emotion, Mediation, Anxiety and Contagion. Londres: Rowman & Littlefield International. Book Review - Anouar, Lahouij Mohamed (Communiquer, 2020)