Jay Machalani has a vision for Windows 8. Frustrated by the inconsistencies of Microsoft’s touch-friendly operating system, Machalani has been putting together a plan over the last three months to fix and unite the disparate desktop and “Metro” interfaces. It turns out that the 20-year-old self-taught user-experience designer might be mocking up concepts that are similar to what Microsoft is preparing for the next major version of Windows. Recent reports suggest Microsoft is planning to bring back the Start menu, along with improvements to its traditional desktop mode to allow new Windows 8-style applications to “float” and run in separate windows.