This is why there should be no "tablet" market and no "smartphone" market. There's a PC market and cell phone market. That's it. These research companies tend to define and redefine these labels to suit their results.
Because Apple gives its developers a chance to create iOS 8 ready apps.90%? I don't think so. 90% satisfaction rate is different. Didn't Cook say 85% of 4S buyers and 70% 5C buyers were new to the iPhone?