Windows Mobile has not had the ability to handle OOXML-based documents until now.
This might make 2 applications which are built from the same codebase and properly support a derivate of OOXML. Both applications come from the same company, to whom OOXML is "a simple matter of (its) commercial interests", according to its own manager.
From campaigner against software patents to paid Microsoft shill to "FOSS patents" (actually attacking FOSS) to revisionism as "books" (for Microsoft)... and now this
Microsoft already fired about 5,000-6,000 workers this year by our estimates; that's not counting resignations compelled through pressure (i.e. pushed, did not jump) and contractors