What is smartphone? philosophical perspective: reflection on the use of smartphone in the new normal life. Research, Society and Development, [S. l.], v. 9, n. 9, p. e116996991, 2020. DOI: 10.33448/rsd-v9i9.6991. Disponível em: https://rsdjournal.org/rsd/article/view/6991. Acesso em: 5 dec. 2025.