“…Work has also been undertaken on data from comments on news media (Glavaš et al, 2020;Razo and Kübler, 2020;Wang et al, 2020;Zampieri et al, 2020), chatrooms and discussion forums (Gao et al, 2020;Wang et al, 2020), Wikipedia discussions (Fortuna et al, 2020;Glavaš et al, 2020;Gröndahl et al, 2018;Nejadgholi and Kiritchenko, 2020;Pavlopoulos et al, 2020), and message services such as WhatsApp (Saha et al, 2021).…”