Source of image: http://wasp.workbuddy.com/biometric.html accessed 21/08/12
This is the building I went to (and it's always an interesting experiential moment when you enter a custodial situation, albeit temporarily):
http://www.randwick.nsw.gov.au/About_Randwick/Heritage/A_to_Z_of_people_and_places/Long_Bay_Prison_Complex/indexdl_172.aspx accessed 21/08/12
I had prints taken from my left and right index fingers by tapping a pad three times with each finger. The diagram above was at the prison and demonstrates how the biometric fingerprint is reduced to a binary data stream. And so my bio-data and I enter the digital archive ...