Con: No labels. Saved searches go some of the way, but not as convenient. Folder-based storage feels old. Whatever the UI terminology (labels, playlists, tags),

Con: No labels. Saved searches go some of the way, but not as convenient. Folder-based storage feels old. Whatever the UI terminology (labels, playlists, tags), its clear that the trend is to embrace the non-physicality of information and allow it to "live" in many "places" simultaneously.