There are 3 revolutionary iPod models to remember

With Apple now no longer making iPods, it's time to look back at three of the many models that made waves over the years.

Apple iPod video review: Apple iPod video - CNET

20 years of the iPod: how it shuffled music and tech into a new era, Music

An iPod retrospective: every model ever! - CNET

Apple's iPod is the other device that saved Apple, and set the table for the iPhone

Apple iPod Nano 16 GB 5th Generation (Silver, In Plain White Box) (Discontinued by Manufacturer) : Everything Else

Comment: The iPod is all but forgotten by Apple now, but 15 years ago it forever changed the way we listen to music - 9to5Mac

iPod Classic - Wikipedia

An iPod retrospective: every model ever! - CNET

A Visual History of the Apple iPod