1. Aguiar, L., and J. Waldfogel. 2015. Streaming Reaches Flood Stage: Does Spotify Stimulate or Depress Music Sales? Working Paper No. 21653, National Bureau of Economic Research.
2. Benkler, Y. 2006. The Wealth of Networks: How Social Production Transforms Markets and Freedom. New Haven, CT: Yale University Press.
3. Biddle, P., P. England, M. Peinado, and B. Willman. 2002. The Darknet and the Future of Content Distribution. ACM Workshop on Digital Rights Management.
4. IFPI. 2017. IFPI Global Music Report 2017: Annual State of the Industry. Available from http://www.ifpi.org/news/IFPI-GLOBAL-MUSIC-REPORT-2017 .
5. MacKenzie, D.A., and J. Wajcman. 1985. The Social Shaping of Technology: How the Refrigerator Got Its Hum. Milton Keynes: Open University Press.