 In 2007 he wrote his graduation thesis, "Ricordare tutto Dimenticare tutto" ("Remembering Everything Forgetting All"), for the Academy of Fine Arts of Brera, (Milan), using Wikipedia to publish texts, sidestepping the necessary restrictions one has to follow for graduating in Italy.He collaborates with the contemporary art project Lucie Fontaine (Milan).Beretta’s work has been defined as “conceptual handicraft”  and “hypertextual handicraft”, due to the production methods and to the highly refined execution of his manufacture, where different historical periods and artistic moments appear as synchronous.