I've used Apple's in-app purchase system and it has sone serious limitations. First, it's limited to about 3000 SKUs. Second, there is no way to automatically i

I've used Apple's in-app purchase system and it has sone serious limitations. First, it's limited to about 3000 SKUs. Second, there is no way to automatically import (or update) the product information. So, from a technical perspective, Amazon simply cannot use IAP - it's far too limited.