XSPF: The shareble playlist format

Imagine a world where
1. You create a playlist in your music player
2. You send that playlist to a friend or post it online
3. Another person opens the playlist in their music player and uses it with their music

This world exists now if your player supports XSPF, the open, shareable playlist format.

The first major player to support this format is the Yahoo! Music Engine, the software that accompanies the just recently launched Yahoo! Music Unlimited. Hopefully we'll see more big name software supporting it soon.