1. European Data Protection Supervisor, Opinion No 4/2015: Towards a new digital ethics: Data, dignity and technology. https://secure.edps.europa.eu/EDPSWEB/webdav/site/mySite/shared/Documents/Consultation/Opinions/2015/15-09-11_Data_Ethics_EN.pdf . Accessed 24 Oct 2016
2. Angwin, J.: The web’s new gold mine: your secrets. Wall Street J. http://online.wsj.com/article/SB10001424052748703940904575395073512989404.html (2010). Accessed 24 Oct 2016
3. Bain & Company: Using Data as a Hidden Asset. http://www.bain.com/publications/articles/using-data-as-a-hidden-asset.aspx (2010). Accessed 24 Oct 2016
4. Pariser, E.: The Filter Bubble. Penguin Press, New York (2011)
5. Tene, O., Polonetsky, J.: Big data for all: privacy and user control in the age of analytics. Northwest. J. Technol. Intellect. Prop. 11(5), 239–273 (2013)