Well, there are standards and there are standards. It will be interesting to see how this evolves, for real. And don’t miss the inescapable NYTimes Microsoft cheerleading: Microsoft Plans to Ease Format Rules
Microsoft said on Monday that it would seek approval to make the software formats behind its Office programs an “open standard” that it would license free to competitors, partners and developers.
[…] In some cases, the concern of those weighing alternatives is the amount of control Microsoft holds over the most common document formats, and over which computers and programs can manipulate them.
If the Microsoft Office Open XML format becomes an endorsed standard, “customers will have a choice” between Open Document and Open XML, said Alan Yates, Microsoft’s general manager of Office.