Well, I cant' t go out not only for a coffee, so..I remembered a subject guys that you might like :) you know that they trace back security documents printing, and also trace bak counterfeit money if you just print on your colour laser printer :) yes. let's divide the subject...I have here a pdf that u should read...and take a closer look to the DNA trace, which looks preety amazing, you press the print botton and it scans your DNA that then prints on the sheet...hum..hum...gloves then right?

   Systech.pdf by Elsa Cristina David on Scribd