The Open dialog certainly caused a lot of trouble. Perhaps I should have said learned to use effectively rather than understand. The concept of hierarchical fol

The Open dialog certainly caused a lot of trouble. Perhaps I should have said learned to use effectively rather than understand. The concept of hierarchical folders is not particularly challenging, but the practice of using them is usually a real pain for little upside. One of the main use of folders I see is people grouping their work by year, month, etc - what's the point when the file has that metadata anyway?