“…Self-service technology, which is self-server terminal, is simply a kind of intelligent human-computer interaction equipment, in which the user operates and completes the business through a device according to the provided instructions. This kind of self-server terminal not only makes extremely high profits for a retail store in the least space, but also allows consumers to have a delightful and novelty experience ( Ku and Chen, 2012 ; Grewal et al, 2020 ; Brengman et al, 2021 ; Lao et al, 2021 ), thus creating new added value for retailers ( Kwak and Cho, 2019 ). Although it is an interesting experience platform, firms are not suggested to focus only on MMKs, because MMKs increase the learning burden for consumers, especially the aged or children ( Chang et al, 2016 ; Hsiao et al, 2020 ).…”