Zune Vs. Ipod: How Microsoft Challenged Apple (And Lost)
Difference Between iPod and MP3
Revisiting the iPod — PaulStamatiou.com
Showdown: New Zune VS. iPod | WIRED
What Is an MP3 Player? - The Tech Edvocate
AAC vs MP3 Files: What's the Difference? - Produce Like A Pro
iPod - Wikipedia
iPod Classic - iPod vs. Zune: January 2008 High End MP3 Player Roundup
Revisiting the iPod — PaulStamatiou.com
What's the difference between an iPod and an MP3 player? | Monitor
The music lives on - Apple
iPod - Wikipedia
Flashback 1998: Birth of the MP3 Player | Sound & Vision
How to turn your idea into a business - SeedReady
The iPod VS The Walkman - which was the best portable music player? - YouTube
How does Zune compare to iPod? | HowStuffWorks
Traditional Vs Modern MP3 Player
iPhone vs. iPod: Which one sounds better playing music? - CNET
3 iPod Touch Alternatives - Sony Walkman vs. Cowon Plenue D vs. Pioneer
20 years of the iPod: how it shuffled music and tech into a new era | Music | The Guardian
How to Put Music on iPod Classic, Nano, Shuffle without iTunes | Softorino Site
With Apple discontinuing iPods, what are the alternatives? | Technology | The Guardian
iPod 15 years later: the pros, cons and memories of Apple's massively popular MP3 player | TechRadar
Portable media player - Wikipedia
Zune vs. iPod specification smackdown | Engadget
