It isn’t different from other anti-counterfeiting measures, the printing just happens to be really small and electrically react to certain frequencies. Part of

It isn’t different from other anti-counterfeiting measures, the printing just happens to be really small and electrically react to certain frequencies. Part of the “software eating the world” story is the decreased cost of precision that enabled the hardware substrate of software to be inexpensively and ubiquitously included in any mass produced object.