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Nagler, W., Ebner, M. & Schön, M. (2015). Why Facebook Swallowed WhatsApp!. In S. Carliner, C. Fulford & N. Ostashewski (Eds.), Proceedings of EdMedia 2015--World Conference on Educational Media and Technology (pp. 1872-1881). Montreal, Quebec, Canada: Association for the Advancement of Computing in Education (AACE).