Everything Old is New Again: Big Data vs Privacy

In the 1980s, Canadian IT press brought to light a brewing controversy around use and potential misuse of our Social Insurance Number (the 'SIN' - Canadian equivalent of USA's Social Security Number) by organizations of all types seeking an easy-to-use unique identifier of individuals. Everyone agreed that the SIN was indeed the best identifier that satisfied the need for easy data processing applications. The controversy was of course centred around the potential for misuse of the SIN. One recalls the arguments advanced back then.