Very good points. I have bought a few dozen apps for iPhone and a couple dozen of books in Kindle Store (I don't own a Kindle, but do use Kindle apps). The numb

Very good points. I have bought a few dozen apps for iPhone and a couple dozen of books in Kindle Store (I don't own a Kindle, but do use Kindle apps). The numbers would be much smaller if not for convenience of purchase and instant delivery. Goole just announced that it is expanding Android market to more countries—I wonder, how much this was influenced by Amazon Android store.