There was a Swiss startup called Morphotonix that made holographic chocolates [1]. The company and its holographic-imprint tech are still around, but they've mo

There was a Swiss startup called Morphotonix that made holographic chocolates [1]. The company and its holographic-imprint tech are still around, but they've moved on to other markets. That suggests they just couldn't get prices low enough to make it appealing. [1] https://www.npr.org/sections/thesalt/2014/06/14/321816570/holographic-chocolates-look-as-beautiful-as-they-taste https://www.npr.org/sections/thesalt/2014/06/14/321816570/ho...