FORRAI, Michaela, Kevin KOBAN and Jörg MATTHES. Not so ephemeral after all: Longitudinal associations between emerging adults’ engagement with ephemeral social media features, production stress, and social capital. Cyberpsychology: Journal of Psychosocial Research on Cyberspace. 2025, vol. 19, no. 5, p. Article 1. DOI: 10.5817/CP2025-5-1