internet access, store discounts, school identification
http://infopedia.nl.sg/articles/07ffb260-e535-4dbb-a946-fa3403f47e72.html
Playing the Identity Card: Surveillance, Security and Identification in Global Perspective, Routledge (2008)Edited by Colin J. Bennett and David Lyon
Identifying Citizens: ID Cards as Surveillance, Polity (2009)By David Lyon