Cecelia Cutler is Professor and Chair of the M.A./Ph.D. Program in Linguistics at the CUNY Graduate Center. Recent publications include Multilingual Youth Practices in Computer Mediated Communication (co-edited with Røyneland, CUP, 2018) and Digital Orality (co-edited with Ahmar and Bahri, Palgrave, 2022). Unn Røyneland is Professor and Center Director of MultiLing (Center of Multilingualism, 2021-24), University of Oslo. Recent volumes include Multilingual Youth Practices in Computer Mediated Communication (co-edited with Cutler, CUP, 2018) Multilingualism across the Lifespan and Spaces of Multilingualism (both co-edited with Blackwood, Routledge, 2022). Zvjezdana Vrzić is Adjunct Professor in Sociolinguistics at the Department of Linguistics of New York University. Recent work includes the publication Language Contact in Africa and the African Diaspora in the Americas (co-edited with Angermeyer and Cutler, John Benjamins, 2017) and language collection Documentation of the Vlashki/Zheyanski Language ('ruo') (Endangered Language Archive, 2018).