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This paper reviews Verón’s work, in particular his theories of mediatization, of the circulation of meaning (communication), and of enunciators and enunciates (institutions, media, collectives of individual actors and individuals). It maintains that Verón made a sharp characterization of the modern and postmodern situation at these levels. And it proposes an analytical device to study the spatial and temporal dimension of contemporary circulation, in which content “travels” from social networks to the mass media and from the mass media to social networks. Its author also argues that it is the new conditions of circulation of meaning that should be focused on to account for how our media culture is changing.