Yes, my typo but 0.015 is still around 2 cents as is said in the article.
About persuasion: it is a problem of marketing, which was successfully solved about vitamins.
The global market of vitamin C is around 1 bln USD, btw. https://globenewswire.com/news-release/2016/08/24/866422/0/en/Global-Ascorbic-Acid-Market-Poised-to-Surge-from-USD-820-4-Million-in-2015-to-USD-1083-8-Million-by-2021-MarketResearchStore-Com.html
Yes, my typo but 0.015 is still around 2 cents as is said in the article.
About persuasion: it is a problem of marketing, which was successfully solved about vitamins.
The global market of vitamin C is around 1 bln USD, btw. https://globenewswire.com/news-release/2016/08/24/866422/0/en/Global-Ascorbic-Acid-Market-Poised-to-Surge-from-USD-820-4-Million-in-2015-to-USD-1083-8-Million-by-2021-MarketResearchStore-Com.html