added... > (I can be hopeful but I hold not outlook for such better models. Too many backwards compatible apps and too much depends on our existing code.) I s

added... > (I can be hopeful but I hold not outlook for such better models. Too many backwards compatible apps and too much depends on our existing code.) I see it that we (you, me, almost all programmers) are so practiced at the "file" way of thinking, that we genuinely struggle to look far beyond that paradigm. We see the advantages of "files" but have no experience with much else, so we struggle to make comparisons.