Victor Sebestyen, Revolution 1989: The Fall of the Soviet Empire (New York: Pantheon 2009), p. 121.
469
Anna Funder, Stasiland (London: Granta, 2003), p. 57.
470
Viktor Mayer-Schönberger and Kenneth Cukier, Big Data: A Revolution That Will Transform How We Live, Work and Think (Boston: Houghton-Mifflin, 2013), p. 150.