I don't have numbers, but I've definitely met folks who have said, "Samsung has a better interface than HTC", or the like. The bundled software I'll grant is n

I don't have numbers, but I've definitely met folks who have said, "Samsung has a better interface than HTC", or the like. The bundled software I'll grant is not really about differentiation - it's still a way to increase margins, though, by selling the right to bundle software on the phone or promoting your own services.