Google discontinued Google Notebook and Google Desktop as part of a “fall/spring clean” in 2011. Google has always been known for working on a large number of products at once. Notebook and Desktop fell by the wayside as Google continued to focus on a smaller number of more polished products.
Amazon’s Kindle Fire set the media alight with security and privacy concerns when it was announced. Much of the initial attention was focused on whether the Silk browser was performing a man-in-the-middle attack on its users. Amazon responded, but aspects of Silk’s architecture are still concerning.
Virtual machine programs such as VMware and VirtualBox run Windows, Mac OS X and other operating systems on Linux for free. You can even run Linux on a virtual machine on Windows. If you just want to run Windows software on Linux, you can examine some alternatives that run Windows software on Linux.