You probably don't know this, but Chrome OS is pretty successful in the US. At one point devices running it even outsold Macs. Most of that success comes from the education market, which is really satisfied with the simplicity, security, and manageability of Chrome OS, all coming in somewhat of a contrast to Windows. It also helps that Windows on cheap devices doesn't make for a great user experience, but that might change soon. Maybe. According to a new rumor and some finds from the Windows 10 SDK, Microsoft is working on a new SKU for its operating system. This will allegedly be...
Source: http://www.gsmarena.com/microsoft_is_working_on_simplified_windows_10_cloud_to_fight_chromebooks-news-23064.php