Algorithms, particularly in the form of artificial intelligence and machine learning, are proliferating in finance and changing how we make decisions. Algorithms have been around for a while in the ...

Forbes contributors publish independent expert analyses and insights. I write about fitness, health and wearable tech Algorithms have taken on an almost mythical significance in the modern world. They ...

The original version of this story appeared in Quanta Magazine. Imagine a town with two widget merchants. Customers prefer cheaper widgets, so the merchants must compete to set the lowest price.