Yep. The whole OOXML/ODF debate and standardisation efforts we went through close to a decade ago have been completely ignored by Apple, who've come up with a

Yep. The whole OOXML/ODF debate and standardisation efforts we went through close to a decade ago have been completely ignored by Apple, who've come up with a file format straight out of the 1990s. Meanwhile, the more enlightened among us are focused on formats like Markdown and HTML5, which actually have non-zero interoperability.