“…In the less than two decade period since their introduction, social media have come to be used for a wide range of purposes, including entertainment, information-seeking, self-expression, socializing, emotional expression, identity management, political engagement, and horizontal/social surveillance. Social media are also becoming increasingly involved in the handling of extraordinary, disruptive events (Castillo, 2016; Jennex, 2012; Li et al, 2019; Liu et al, 2015; Öztürk and Ayvaz, 2018; Rohlinger et al, 2020; Tandoc and Takahashi, 2017; Xu and Zhang, 2018). The effectiveness of social media crisis response is a primary measure of societal resilience (Leong et al, 2015; Zhao et al, 2020), so the topic deserves serious research attention.…”