> I think popular software vendors should seriously reconsider their file formats in the 21st century, including graphical and audio ones. Very true, but it's

> I think popular software vendors should seriously reconsider their file formats in the 21st century, including graphical and audio ones. Very true, but it's not just about vendors and formats. Making semantic changes a first-class, user-facing construct has profound implications for how you think about what you're modeling and what kinds of interactions (not to mention collaborations) are possible. Even Git is not "21st century" in that respect: textual diffs are not semantic.