“…However, researchers mainly concentrate on people's online behaviour, such as web browsing (Hu, Zeng, Li, Niu, & Chen, 2007;Saste, Bedekar, & Kosamkar, 2017) and social network (Rao, Yarowsky, Shreevats, & Gupta, 2010;Vijayaraghavan, Vosoughi, & Roy, 2017). The discriminative power of people's mobility in the physical world has been overlooked, especially the travel behaviour via public transit.…”