Jason Barnard is a serial entrepreneur, bestselling author, keynote speaker and award-winning innovator. He’s the CEO & founder of Kalicube. Here’s something no one tells you when you’re building a ...

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.