Backstrom, L., Bakshy, E., Kleinberg, J., Lento, T. and Rosenn, I. (2021) “Center of Attention: How Facebook Users Allocate Attention across Friends”, Proceedings of the International AAAI Conference on Web and Social Media, 5(1), pp. 34-41. doi: 10.1609/icwsm.v5i1.14142.