4 ms·

Printers and scanners have refused to process imagines containing certain patterns of stars for decades and it seems to have worked out OK.

• amarshall 5y ago
  Could you elaborate?
  • sdan 5y ago
    Printers recognize patters of stars on currency notes and will not print them and sometimes even notify the police.
  • extropy 5y ago
    I suppose GP is referring to https://en.m.wikipedia.org/wiki/Machine_Identification_Code https://en.m.wikipedia.org/wiki/Machine_Identification_Code And https://en.m.wikipedia.org/wiki/EURion_constellation https://en.m.wikipedia.org/wiki/EURion_constellation
• Teever 5y ago
  No it really hasn't worked out 'OK' because here we are now.