The iPod nano is a portable media player designed and marketed by Apple Inc. It is the midrange model in Apple's iPod family. The first generation was introduced in 2005. It uses flash memory, like the iPod shuffle, but with a miniaturized version of the display screen and "click wheel" found on the iPod classic. The model has been updated twice since its introduction.
More information: http://en.wikipedia.org/wiki/IPod_nano
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