There have been a few cheap looking, janky and slow demos in the ‘oughts and late 90’s, but I’m confident that personal computing is able to do this without significant performance loss, and it’s not such a massive leap from tiled window managers today.
I firmly believe that our current way of managing and interacting with information could benefit from an extra dimension: ragged corners, thickness, persistent placement on a desk, and other attributes that make a paper object much easier to identify, locate and differentiate in real life, compared to a bunch of documents named something something.pdf/docx