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This is a link post Unique tracking codes printed by laser printers
Not a funny, not a 'shop, not a video.

An academic paper detailing how the stuff you print out (on colour laser printers) can be tracked back to that printer....
 (I helped save b3ta! Boot I want to know what you meant, Sat 25 Oct 2014, 19:36, , Reply)
This is a normal post HAHAHAHAHAHAHAHAHAHAHAHAHAHAHA!!

(pissflaps. FSPW, Sat 25 Oct 2014, 19:51, , Reply)
This is a normal post
/me dons tinfoil
 (I helped save b3ta! Boot I want to know what you meant, Sat 25 Oct 2014, 20:18, , Reply)
This is a normal post This was known about in the 90's
Inkjets do it too.

IIRC it was brought about as an anti-forgery device.

Same with your scanner, try using it to scan a bank note....
 (I helped save b3ta! Cerebus Sticky! Sticky! Stick! Stick!, Sat 25 Oct 2014, 20:11, , Reply)
This is a normal post Wasn't there a father and son team looking into this a few years ago?
Theres a set of unexplained micro dots printed on every sheet,unique to each printer .
 (Spin Its a thing., Sat 25 Oct 2014, 20:12, , Reply)
This is a normal post wow
new one to me.
 (I helped save b3ta! omnitruncatedkraken from Empire Algol, Sat 25 Oct 2014, 21:45, , Reply)
This is a normal post why didnt snowden tell us about this??
he must in on it.
 (I helped save b3ta! JamTallons, Sun 26 Oct 2014, 9:59, , Reply)
This is a normal post Old news...
Everyone knows you should always print your ransom notes on someone else's printer. Or just photocopy them.

This is just a step up on how they used to match a typed page to a specific typewriter due to the various nicks and damage in the characters on the page.
 (I helped save b3ta! Batter Pudding Hurler is a figment of your imagination, Tue 28 Oct 2014, 10:29, , Reply)