1. A. Anagnostopoulos, A. Bessi, G. Caldarelli, M. Del Vicario, F. Petroni, A. Scala, F. Zollo, and W. Quattrociocchi. Viral misinformation: the role of homophily and polarization. arXiv preprint arXiv:1411.2893, 2014.
2. M. Anderson and A. Caumont. How social media is reshaping news. http://www.pewresearch.org/fact-tank/2014/09/24/how-social-media-is-reshaping-news/, 2014. {Online; accessed December 2015}.
3. E. Bakshy, S. Messing, and L. A. Adamic. Exposure to ideologically diverse news and opinion on facebook. Science, 348(6239):1130--1132, 2015.
4. Y. Benkler. The wealth of networks: How social production transforms markets and freedom. Yale University Press, 2006.
5. T. Berners-Lee, W. Hall, J. Hendler, N. Shadbolt, and D. J. Weitzner. Creating a science of the web. Science, 313(5788):769--771, 2006.