more on the zune

After 3 plays or 3 days, you can no longer play the song; however, you can still see a listing of the songs with the associated metadata.

I still think this was simply the wrong design from the user's perspective. Sharing music and playlists while people are in range seems much more interesting to me... at least from a social aspect. Perhaps this is an add-on feature they could implement. All the required hardware is there...