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World Economic Forum - Why Cashless societies don't benefit the poor agenda / 2017 /07 /why-cashless-societies-dont-benefit-the-poor
Just as every good cook knows that the costs of preparing a meal drops exponentially on a spiral equal to the increase of paying consumers. But almost no one is going to mention Fibonacci
Posted from my blog with SteemPress : http://subspace.city/2018/11/27/solving-for-p/