Google just unveiled the fanciest new laptop in its lineup of Chromebooks, the Chromebook Pixel. It looks not unlike Apple’s MacBook Pro—with its all-aluminum exterior and high-resolution glass screen—and costs about the same, starting at $1299. It also has a touchscreen.Chromebooks run a very simple operating system, Chrome OS. Unlike on Windows or Mac OS, with their profusion of expensive and memory-hogging software, the only tool here is a web browser, through which you do all your work using web-based software, with all your files stored in the cloud. In this sense, the Pixel is no different from earlier Chromebooks made by generic PC manufacturers