"But then a funny thing happened: nothing. As if
exhausted by the effort of squeezing through proverbial eye of a
needle, OOXML just fell off the radar. I've come across few
references to it in the previous 12 months. Indeed, about the most
important announcement I've seen is the following, from Microsoft
itself:
"Today the availability of Service Pack 2 (SP2) for the 2007
Microsoft Office system was announced. The service pack includes
major performance enhancements for Office applications, most
notably Microsoft Office Outlook, as well as Microsoft Office
SharePoint Server. One big benefit is SP2's boost to
interoperability — with this release, Office supports
additional built-in file formats such as PDF and ODF."