Source -Evolve or die is a mantra that can be easily applied to the world of technology. Products that fail to keep up with the overall evolution of the market will soon be discarded and replaced, as they will begin to feel like a fish out of water. The tone for the vast majority of offerings is of course given by Moore's law and the way that the number of transistors in every integrated circuit has a natural tendency to double every two years, still. But in the world in which a five-year-old computer can be considered obsolete by today’s standards, a decade-old operating system continues to be the norm. However, this is about to change, simply because Windows XP has stopped evolving.
Windows XP?s Death Won?t Come from Windows 7 - Nor from Microsoft, but from the hardware and software ecosystem - Softpedia