Software-wise: The open source advocates (Scott Hanselman, Scott Guthrie, Damien Edwards, and many others) won the internal struggle. Microsoft is more open because they recognize this is a superior model over the proprietary closed systems they had built in the past.
Business-wise: The answer is Azure. While Microsoft wants you to run Windows, they care even more that you're running in their cloud.
Business-wise: The answer is Azure. While Microsoft wants you to run Windows, they care even more that you're running in their cloud.