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Just like the iPod nano that didn't support Video,
Note that Apple increased the display size with the 3rd generation with video support.

We are not talking about an entirely different OS. We are talking about cramming in existing apps into a smaller display ("a smaller iphone and that's it").

Apple could then quickly release a new iPhone in a few years where the screen was slightly bigger.
Bigger's not the problem, smaller is. It's like running an OS on better hardware and worse hardware.

They certainly have the OS working on two iPhones and two iPod touch devices with updates being released simultaneously.
They all have the same display size.

what exactly are you basing this on?
Simple logic, not "nothing." This is not a software problem, this is a fundamental issue concerning finger size and GUI elements. May I bring up the PowerBook G5 again?

Don't you think that the software can be modified to accommodate a smaller screen? like for example two columns of apps instead of 4 per page.
I don't think everything can be modified…and even if it can, the user experience won't be as good. And I'm not sure Apple wants to do that.

think different.
Yes. Think "iPhone Air" instead of "iPhone nano." ;)
 
Note that Apple increased the display size with the 3rd generation with video support.

We are not talking about an entirely different OS. We are talking about cramming in existing apps into a smaller display ("a smaller iphone and that's it").

Bigger's not the problem, smaller is. It's like running an OS on better hardware and worse hardware.

They all have the same display size.

You've taken a lot of my quotes out of context, so I'm not going to respond because you missed the point as a result.
 
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