Filter Google Search Results By Reading Level

Google just moved a "Reading Level" filter from the Advanced Search options into its main, left-side Search Options sidebar.Now when you're digging around for understanding, you can use Google's reading of the complexity of the text to shift between plain language "Beginner", a deeper "Intermediate" read, and the mostly academic "Advanced" results. How do Google's Reading Level filters work for you in a few test searches? [Google Operating System]