“…One of the smartphone advantages is automatic data recording (Safi,2019;Greaves et al,2015;Sato, Maruyama,2019), while they also represent a promising tool for longitudinal research (Udtha et al,2015). Current smartphones are equipped with sensors allowing the tracking of movement (Korpilo 2017, Piras, 2018, which can be used in various research areas, for example, related to the pricing strategies during traffic peak and peak off (Adnan,2020), refugees topic (Keusch,2021), health (Dorsey,2017, NG,2019, climate change (De Crescenzo,2020), etc.…”