With regard to OS, they held a 90%+ market share in the 90's. Today they retain a 70%+ market share of desktops and laptops. And with Surface they are a top 5

With regard to OS, they held a 90%+ market share in the 90's. Today they retain a 70%+ market share of desktops and laptops. And with Surface they are a top 5 hardware manufacturer as well. It's impressive.