The article presents a semiological analysis of some images made by enthusiasts shared on social networks in a case of regime change: the so-called "Revolution of the Twitter "from Iran in 2009. The" Twitter Revolution "is perhaps a model canonical (and archetypal) conception of the semiotic use of social media in through the last decade. The article shows some examples to describe the semiological function assumed - in a certain semiosphere - by the images made by enthusiasts (and in institutions) in construction discourse of the agents in competition in the media arena during the regime change attempt.
Il saggio offre un’analisi semiologica della funzione discorsiva e narrativa manifestata da alcuni elementi (con particolare riguardo a immagini e hashtags) del racconto mediatico degli eventi occorsi in Iran durante quella che nel 2009 fu appellata “rivoluzione Twitter”.
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