Back then, they used Hollerith machines and the like to track their victims. You have to wonder what such an operation would be like these days. http://www2.i

Back then, they used Hollerith machines and the like to track their victims. You have to wonder what such an operation would be like these days. http://www2.iath.virginia.edu/holocaust/infotech.html http://www2.iath.virginia.edu/holocaust/infotech.html