Who cares about "security"? This is an aesthetic goldmine: the ability to emboss passive no-power fluorescence onto any surface or material permanently is huge.

Who cares about "security"? This is an aesthetic goldmine: the ability to emboss passive no-power fluorescence onto any surface or material permanently is huge. Tattoos, buildings, glassware, bezels, cars, reflectors, furniture... jeez. This is amazing stuff.