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Revamped iPod Nano to Include Oblong Body with Home Button?
Given that the screen size on this redesigned iPod nano would appear to be substantially smaller than the iPhone/iPod touch, it seems unlikely that the iPod nano would run iOS apps. Instead, Apple is likely to use a custom operating system and apps skinned to resemble iOS as found on the current incarnation of the iPod nano.
The report also indicates that Apple will be bringing a "dedicated new iTunes service" to the device, but there is no word on what that service would entail.
Apple's iPod lines have generally trended to smaller form factors with each redesign, but this rumored redesign would appear to mark a substantial increase in size from the current form factor, which was introduced in September 2010. Several leaked photos have suggested that Apple planned to add a camera to the smaller form factor, but it appears that the company may have ultimately scrapped those plans.
It would not be unprecedented, however, for Apple to decide that smaller is not necessarily better, particularly if the iPod nano can see increased functionality with the new design. Apple famously removed virtually all buttons from the iPod shuffle in March 2009 as it moved controls to the headphone cord, but a September 2010 redesign saw the return of the click wheel and other on-device buttons.