tagging and user ratings will play an important role as users are given more choices. rather than how itunes sorts your music, the model used by netflix is a b

tagging and user ratings will play an important role as users are given more choices. rather than how itunes sorts your music, the model used by netflix is a bit more useful. realistically, in a few years everyone will have easy access to library's the size of netflix, available for instantaneous streaming. there is no reason to assume that music will not adopt a similar model.