> easily replaceable service For all my disagreements with major payment processors, I must say that there is a lot more than meets the eye in these networks.

> easily replaceable service For all my disagreements with major payment processors, I must say that there is a lot more than meets the eye in these networks. Having visited the fraud detection apparatus of a couple payment networks, I am thoroughly impressed. Most of them were doing machine learning at an industrial scale at least eight years ago.