I think .doc(x) is clearly the worst file format - they're not as portable as people seem to think they are, and they're not long-lasting. PDF, for all of its f

I think .doc(x) is clearly the worst file format - they're not as portable as people seem to think they are, and they're not long-lasting. PDF, for all of its failing, doesn't suffer from these issues. A better solution, perhaps, for preserving structure, would be TeX, markdown or Org files, but PDF has the advantage of not having to be compiled and being ready for presentation/consumption (possessing platform invariance).