The Knowledge Graph Now Shows Explanations

You know that box on the side of your Google search that displays information relevant to your search? Well it just got smarter. The Knowledge Graph now shows relationships between the items it displays. For example, searching for "Gone with the Wind" has "The Wizard of Oz" under the what people also searched for category in the Knowledge Graph. Hovering your mouse over "The Wizard of Oz" tells us that the director for both movie was the same- Victor Fleming.