I think this is mostly due to the replacement cycle. Most people who want the iPad, bought one. But -- you don't replace an iPad every year or two like you do a

I think this is mostly due to the replacement cycle. Most people who want the iPad, bought one. But -- you don't replace an iPad every year or two like you do an iPhone. Even if you have the iPad 2 for instance, it's a very capable device, there's no reason to go out right now and buy the latest iPad unless you specifically want extra features like Touch ID.