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Are you referring to network-enabled printers phoning home? My 15 year old Brother doesn't have that capability... So on that front, a printout of QR codes is
by julianlam 7y ago
Are you referring to network-enabled printers phoning home?
My 15 year old Brother doesn't have that capability... So on that front, a printout of QR codes is more likely to be compromised by the paper itself being left out somewhere.