Next time you're in your local pharmacy, take a detour to the men's shaving aisle. When you get there, scan the shelves in front of you. You'll see high-gloss packaging, lots of "Fusion" and "Turbo" and "Mach" brands. It's almost like you're in the Formula 1 pit lane, isn't it? The choice seems abundant.
To anyone who takes only a cursory interest in the tech world, it's quite hard to understand how Microsoft has gotten itself into quite such a difficult situation. They were giants and pioneers, and they had it all. They were shaping the world, and suddenly the world left them behind - fascinating and terrifying to watch all at once.