Do all MP3 players work with all online music store software?

Do all MP3 players work with all online music store software?

TJ McClearin (Business Manager, Infinity Wireless, LLC) gives expert video advice on: What factors should I consider when choosing the best PmP or MP3 player?; Can I enjoy content on my PmP without paying a monthly content fee? and more...

Not all MP3 players work with all online music stores. For instance, the Apple iPod only works with Apple iTunes. You can't use the iPod to download music off the Zune network or off of Napster. On each of the music downloading websites there should be a compatibility list of the MP3 devices it supports.