we still have with us david kirkpatrick and also joining us, mark gurman. let just ran through the iphone story. what do you think are the chances of clearing the bar of growing this huge, single or product? mark: sure. right now the iphone is a blessing and a curse. it gets so many sales, like scarlet said, more than 70 million sales in last year's holiday quarter. but many of the prices and the services they have come out with the past two years, the apple to an siri, the apple tv extent have been built around the iphone. the success of those products also depend on the excess of the iphone. it's very important for apple to continue to innovate on the iphone and to improve the products around it. in terms of apple pay, we talk about that because it is one of those various ancillary services that apple is rolling out to release its reliance on the -- reduces reliance on the iphone. it's not growing. what did they do want here? do anythingdid not wrong with apple pay. it just has not caught on. keeping your wallet in your pocket is something that you still d