About a decade ago, Jeff Bezos declared that Amazon was “willing to be misunderstood for long periods of time.” It was expanding from selling everyday goods such as books and brushes to selling “cloud services.” Talk about castles in the sky. What the hell did Amazon know about “Big Data”? The collective reaction was: “Stay in your lane, Bezos. Leave this brainy digital stuff to companies like Google and Microsoft and go back to selling lawn mowers.