Apple just got rid of all the iPods that don't run iOs.
Apple's Most Curious Move: Killing the Wearable iPod Nano
I Miss Apple's Best iPod
Say you're listening to a song you really like and want to hear other tracks that go great with it. The genius feature finds the songs in your music library that go great together and makes a Genius Playlist for you. It's like having your own highly intelligent, personal DJ. Tilt or turn iPod nano on its side, and you'll listen, watch, and play in new ways. You can flip through your album art with cover flow. Or, vertically speaking, see more albums and artists on the screen at one time.
Apple iPod Nano 4th Generation 8GB Pink, MP3 Player , Like New
RIP iPod: Apple just pulled the plug on iPod touch
Apple Kills iPod Nano and Shuffle, Tweaks iPod Touch Pricing
How iPod modders are giving Apple's dead MP3 player a second life with new hardware and software
iPod, Apple Wiki
Five Years Ago, Apple Discontinued the iPod shuffle and iPod nano
Apple discontinuing iPod Shuffle, Nano, Science and Technology
Apple confirms to kill iPod nano and iPod shuffle - CGTN
The iPod is Dead; Now Stop Being So Weepy and Start Looking at the Future - CDM Create Digital Music
Here's how much an original iPod would cost you