Link parkin': JointRadio: "A mashup of bookmarks, mp3 files, rss, a flashplayer".
Hopefully MP3 blogging and other Web musical activities can carry XSPF, which just reached version 1.0, into the dominant standard for playlists, including video playlists. Plus, I just think the XSPF players are quite neat hacks, very "of the web".
[Via Lucas Gonze]