This is a momentous era for Google, as the 15-year reign of Chromebooks begins to decline in favor of a brand-new large-form computing platform: Googlebooks. Aggrandizing name aside, Googlebooks are a major part of Google's evolving ecosystem, aiming to bring the best of Android and ChromeOS together with premium hardware designed with artificial intelligence in mind. The Lenovo Googlebook 15 is among the first devices running Googlebook OS, so there's a lot of pressure on this laptop to be great.