Dismantling the Windows advantage
I should point out that this ratio between platforms is not just an exercise in arithmetic. It’s a measure of leverage. The advantage of dominance is realized in an ecosystem which creates lock-in and additional economies in marketing. Ecosystems become self-perpetuating and there is a tendency toward monopoly. The stronger you are, the stronger you get... More here.
The image from Horace above tells you most of what you need to know. A huge change.