The iPod nano had a weird, amazing history - The Verge
Apple iPod nano (3rd generation) - Review 2010 - PCMag UK
5 Ways to Check Your iPod's Generation - wikiHow
Apple iPod Nano 5th Generation 8GB Black-Refurbished with Brand New Battery! - Walmart.com
Identify your iPod model - Apple Support
What are the differences between the iPod nano 4th Gen models? What are the differences between these models and the iPod nano 3rd Gen models they replaced?: EveryiPod.com