For years now, most Chromebooks have run some variety of Intel or AMD processor. The occasional device used a MediaTek chip, but they were often underpowered and cheap devices that were hard to recommend. ARM-based processors have worked tremendously well for Apple on the Mac, and they’re being used in more and more Windows PCs as well. Now, Lenovo (makers of my favorite Chromebook) and Google are giving ARM a real shot with the $649 Chromebook Plus 14. The companies say the MediaTek Kompanio...