Gupta, T., S. Garg, A. Mahanti, N. Carlsson, and M. Arlitt. “Characterization of FriendFeed — A Web-Based Social Aggregation Service”. Proceedings of the International AAAI Conference on Web and Social Media, vol. 3, no. 1, Mar. 2009, pp. 218-21, doi:10.1609/icwsm.v3i1.13984.