Rating = Knowledge least known better known well known

Smart Playlists = Study Lists
-music listeners create smart playlists that are in essense a "saved search"
-essentially smart playlists allow for selections of music/language
-selections across time, preference/knowledge, frequency, artist, lesson, album, unit, book, lecture, conversation, dialogue, debate, confusion and clarity
-these selections become a documentary of listening and learning

iPod > Context 00:03:50 (mp3)