feature: filtered artists
feature: playlists (somewhat done, is it really useful?)
feature: similar artists
feature: recent artists (that i've listened to, sort by date, not by #)
home: clearer description of what we do

(1) listen to your music
(2) audiomatch tracks your music
(3) audiomatch makes recommendations
feature: take all my artists, get all similar artists, then get all songs by these artist i have not listened to. weight them somehow. 
email users to upgrade plugin
urls