I want to like tags for personal use, but they always seem to fail at scale. The best experience I’ve had with tags was the old Flickr, where most of the work o

I want to like tags for personal use, but they always seem to fail at scale. The best experience I’ve had with tags was the old Flickr, where most of the work of tagging was done by other people. I now find that, in practice, the problem of “file that logically belongs in more than one folder” occurs rarely enough that I can solve it by creating a README.txt file in the secondary location containing a note pointing to where the primary location is.