“…Studies have identified the necessity to envisage consumers heterogeneously [Connolly, Lee, Tan, 2016] paying attention to the education and gender [Quibria et al, 2003;Afshar, Alam, Taylor, 2019;Badran, 2014], employment status [Campos, Arrazola, de Hevia, 2017], age [Okunola, Rowley, Johnson, 2017] which was referred to "grey divide" [Quan-Haase et al, 2018], location, and income [Okunola, Rowley, Johnson, 2017]. Since SCS are usually offered free of charge and within the smart city, location and income might be disregarded.…”