Also, potential data-corruption issues with color laser printers that add spurious yellow watermarking dots [1], though perhaps a sufficiently robust error-corr

Also, potential data-corruption issues with color laser printers that add spurious yellow watermarking dots [1], though perhaps a sufficiently robust error-correction scheme would be able to work around that. [1] http://en.wikipedia.org/wiki/Printer_steganography http://en.wikipedia.org/wiki/Printer_steganography