Well, steps were made in exactly that direction, with ReiserFS and Microsoft was working on the same thing around the same time in the Longhorn days (called Win

Well, steps were made in exactly that direction, with ReiserFS and Microsoft was working on the same thing around the same time in the Longhorn days (called WinFS). For some reason it never took off. ReiserFS was abandoned when Hans Reiser killed his wife but Microsoft also abandoned it with no (known) killings involved. Something must have not worked out. It's a very interesting idea to revisit though. I do still think there's merit in it. Probably part of the issue was how to make it work gracefully with legacy apps. However in this kind of scenario you totally absolutely want to tag it with multiple tags. Otherwise this'll become a haystack you'll never find anything back in. I bet this was another issue surrounding implementations.