“…In the first case, hashtags linked to official events are used to follow the expression of shared fandom in the context of a major, internationally televised annual media event, as in the case studied by Highfield et al (2013) for Eurovision Song Contest, where researchers followed and analyzed the evolution of meanings for hashtags: #eurovision, #esc, and #sbseurovision. The second case could be represented by the studies on Queensland floods in 2010-2011 and Christchurch earthquakes (e.g., Burgess, 2012, 2014; and now for the Covid-19 pandemic (e.g., Boccia Artieri et al, 2021a,b;Kurten and Beullens, 2021;La Rocca and Greco, 2022). In this case, there is a prevailing idea that when crises or disastrous events emerge, hashtags are born with them, as a need felt by social media users to share information, follow news, and comment on them.…”