Infographic: How the iPod Nano has changed over the years

Apple just unveiled a new iPod Nano, and the new model is the most radical redesign yet. The 6G Nano is about half the size of the previous version, with a multi-touch screen and a clip on the back. The Nano's come a long way since its debut in 2005 — check out the graphic below that summarizes the big changes it's experienced over the years.

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