This is the first time I google for Microsoft and open source. And then I found this.
Seems Microsoft already paid a lot on open source and began to think about how to make money from open source.
Good news for me: sliverlight on Linux.
I like this browser which is the so called next generation M$ web browser. It's good and powerful.
Try it if you like new tech and good feeling of stream media.
The official Microsoft open source website is here:
Actually no too much things happen here, but it's a start.
Let's look at how M$ flip into open source pool.