One guy who developed and marketed and then lobbied a single solution that aged extremely poorly. https://en.wikipedia.org/wiki/Ahn_Cheol-soo https://en.wikipe

One guy who developed and marketed and then lobbied a single solution that aged extremely poorly. https://en.wikipedia.org/wiki/Ahn_Cheol-soo https://en.wikipedia.org/wiki/Ahn_Cheol-soo