5 ms·

Related - printer dots: https://en.wikipedia.org/wiki/Machine_Identification_Code https://en.wikipedia.org/wiki/Machine_Identification_Code Great tool to crack

• detaro 8y ago
  Possibly also helped to find NSA leaker Reality Winner, after the Intercept published good-quality scans of documents she'd printed at work: https://en.wikipedia.org/wiki/Reality_Winner#Intelligence_report_leak,_arrest_and_sentencing https://en.wikipedia.org/wiki/Reality_Winner#Intelligence_re...
  • blattimwind 8y ago
    Yeah that was a real amateur hour.
  • flukus 8y ago
    Conversely, wouldn't this make it incredibly easy to frame someone?
• ghostly_s 8y ago
  'clandestine poster campaigns'?
  • deogeo 8y ago
    Anonymous speech. It has innumerable uses that are beneficial to society, e.g.: -Promoting unions without getting blacklisted by employers (possibly with the help of state security agencies, see https://www.bbc.com/news/uk-43507728 https://www.bbc.com/news/uk-43507728 ) -Shedding light on animal abuse in light of Ag-gag laws -Giving instructions on how to break DRM (DeCSS) -Revealing local corruption (e.g. in the police department or public office) without exposing yourself to retribution or crippling libel lawsuits -Campaigning for Catalonian independence -Etc..
    • ghostly_s 8y ago
      Right, I wasn't really confused by the concept of political posters. I'm confused by what regimes you are alluding to using technical watermarking techniques to control this type of speech. I've never heard of such a thing.
• shiftpgdn 8y ago
  You can also use those dots to reverse cross cut shredding: https://news.ycombinator.com/item?id=3368611 https://news.ycombinator.com/item?id=3368611