Circulation: from the passage zone to the ambiance of interpenetrations of meanings 185 Thus, the work of producing meanings would occur according to dynamics in which the discourses of emission and reception would establish contacts, but based on the differences that would characterize them. They would co-affect each other through signifying operations, which would externalize and sig- nal enunciative marks referring to their respective conditions of production. In other words, operations produced by the systems of production and reception of messages would affect each oth- er, but according to interchangeables based on the differences of their productive and logical processes, generating discontinuities and non-linearities. In addition to being a milestone of these transforma- tions, the interruption of the ombudsman’s transversal speech precipitates other possibilities that accentuate the singularity of circulation. It is transformed into an operator that has repercus- sions, according to different situations, on journalistic mediational structures. These, in turn, are crossed by logics of mediati- zation that steal the journalistic singularity of the production of newsworthiness. Until then the mediational niche of production of meanings, journalism began to be challenged by other enun- ciative protocols and their operations. In this way, the actors of the journalistic system cease to operate their activity according to the parameters and log- ics of the system where they are installed, and start to build interactions in new niches, having as reference the brands and operations of “zones of pregnance” and the interfaces of other systems. In other words, they abandon the place of means to migrate and walk through the platforms, where they confront other systems and actors with which they negotiate new possi- bilities of production today. In the face of the discursive dynam- ics, techniques and practices that generate new contact zones in the environment of mediatization, the argument around which journalistic autonomy to produce newsworthiness rested for a long time – “all the news that fits, we publish” (Darnton, 1990, p. 41) – seems weakened. The production and dissemination of the event, which, until then, were linked to the specific context of the journalistic media, no longer derive only from this instance. The process- es move to complex and heterogeneous production platforms,
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