Which is why they advocate a backward compatible virtualization module for win32 compatibility. Either way, Microsoft has to take a more modular approach if the

Which is why they advocate a backward compatible virtualization module for win32 compatibility. Either way, Microsoft has to take a more modular approach if they're going to sustain backwards compatibility and continue innovating in future OSs. The effort to remain backwards compatible has outstripped the effort to innovate. Vista is the proof.