“…Especially, COVID-19 is expected to enhance SSTs and robotization in hospitality, facilitating social distancing and lowering human contact and contagion risk (Gaur et al , 2021). Specifically, SSTs are used throughout major service industries, such as banking (Giovanis and Athanasopoulou, 2018), restaurants (Ahn and Seo, 2018; Park et al , 2021; Xu et al , 2020), hotels (Kasavana and Connolly, 2005; Kim and Qu, 2014) and airlines (Bogicevic et al , 2017; Castillo-Manzano and López-Valpuesta, 2013; Ku and Chen, 2013; Lee et al , 2012; Negri et al , 2019). In addition, self-service kiosks have already shown their worth at the airports and in retail businesses (Kasavana, 2008) and have been performed as a time saver for passengers, cost saver for airlines and space saver for airports (IATA, 2006).…”