The proliferation of social platforms has led to profound changes in the interaction between individuals and society, giving rise to new practices and new spaces of collective discussion and expanding the spaces of interaction and formation of opinions. In this paper, the attention will be focused on a specific case: the expulsion of Berlusconi from Italy’s Senate. Through a quali-quantitative analysis of 1,500 tweets containing the hashtag #decadenza, we investigate the characteristics of a particular way of being part of the political debate of a country, focusing specifically on the use of hashtags and retweets and on the sentiment analysis of content.
Keywords: Bottom up participation, digital methods, Twitter, Berlusconi, sentiment analysis, emotional spreading.