Use Smart Playlists to Keep Your iPhone Filled With Your Newest Music

WiredUse Smart Playlists to Keep Your iPhone Filled With Your Newest MusicWiredMaybe you buy a lot of vinyl and you've been cashing in all your download cards. Or maybe you just like trading and/or sharing music files with friends. Either way, if your iTunes library regularly gets bombarded with new music, it's easy for all those ...