From shared semantics to the excavations of what operates, converses and transforms us 21 of journalism. The chapters by Ada Silveira and Aline Dalmolin share the concept of semiosphere as a concept of passage to think about mediatization, in interface with Fausto Neto’s and Bragas’s concepts of circulation and circuit. The texts by Isabel Löfgren and Heike Graf are based on European references, with repeated use of semantics as means in their reflections for the understanding of contemporary cultural conflicts. The chapter by Pedro Gilberto Gomes closes this part of the book in which mediatization is thought of with considerations about technolo- gy and the media, to think about a central cultural phenomenon in the contemporary – religion. In the second part (Mediatization, Circulation and Communication), the problematization of this relationship – social processes and media processes – remains, but the suggested epistemological and methodological approaches are made in affirmations or more systematic questioning and reflections on circulation as an interposed object for understanding this, when platforms, algorithms and artificial intelligence are investigated. It begins with Fausto Neto’s in-depth text on circulation from the current inaugurated by Eliseo Verón, in which he asks pro- ductive questions for us to think about the platforms beyond the functionalist propensities updated in many current studies. The methodological works by Viviane Borelli and Ana Paula da Rosa complement this perspective. Jairo Ferreira updates his elaborations on mediatization and platforms in dialogue with the currents from the south, accentuating the discussion of se- miosis based on the concept of logics in Peirce. The two final dyads add quality to this part. One, the dialogue in development between Göran Bolin and Mario Carlón, therefore between the socio-constructivist perspectives of the north and the semio-an- thropological one, in an explicit way in the texts. We close with the historical dyad, a silent conversation between Lucrécia Ferr- ara and José Luiz Braga, questioning mediatization based on the fruitful search for what communication is. ** A reading guide for this book can perhaps be the re- turn, as questions, to the propositions with which we began this introduction. To what extent do the approaches developed al-
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