--Microsoft's Jason Matusow, integral part of the 'Open' XML corruptions (further background in [1, 2, 3])
Here we are moving from the "open-source compatible" meme to "(Open) APIs" as "open source". Microsoft's attempts to hijack and deform "open source" were mentioned many times before, e.g. [1, 2, 3, 4, 5]. It's endless. The same goes for those verbal tricks in the Philippines -- tricking developers into getting locked in with "open source" (the Microsoft way) [1, 2, 3].
Microsoft has been wanting to get cozy lately with open source developers but a top IBM executive warns that the world's largest software maker is not ready to give up full control yet.
Michael O'Rourke, Asia Pacific vice president for IBM Rational, believes that while Microsoft said it would open up APIs (application programming interfaces) of its core products such as Windows and Microsoft Office, the company isn't really "open sourcing" its software.
[...]
"Microsoft is not exactly telling developers that they own the platform," he said. Microsoft of late has been touting its conciliatory stance with the open-source community.