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I'm sorry I'm not following. So if this is the iPad and the next iPhone will be the iPhone how will we know the differences?

I had a hell of a time getting a 4S case versus a 4 case on Amazon and they had different names!

This is a good point. Compatibility with cases and such might be a little more confusing from here on out.
 
I'm sorry I'm not following. So if this is the iPad and the next iPhone will be the iPhone how will we know the differences?

I had a hell of a time getting a 4S case versus a 4 case on Amazon and they had different names!

It will say something like "Compatible with first-generation iPad." It's really no different than Macs. They don't call it "MacBook Pro 25"...it's just..the new MacBook Pro.
 
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