There's been lots of rumors in the past about iTunes going to some sort of a cloud-based service, with the ability to store or access music remotely over the Internet, but the new word around town is that what's actually revealed at the event next week won't be quite so ambitious. Peter Kafka over at All Things Digital now says that instead of streaming, the new iTunes might be more social, with iTunes accounts serving as nodes on which users can share recommendations for apps or songs, or even share playlists or song information. You wouldn't