How to read a classic of literature such as the Decameron through a mediological approach? According to a first reflection on the general structure of the work, the author investigates the reasons making the text a decisive moment of rupture and innovation in the history of communication and culture. Main issues concern: Firstly, the medium's invention we are used to calling "literature", through the abandonment of the late medieval forms of written textuality. Significant changes in the medium's structure are related with the silent reading spread, and with the new social life complexity in cities. Secondly, the awareness of the reality-phenomenon ambiguity, and the consequent need to face it through a full sensorial experience: With Bocca...