But one day, the company could “open source” the code that underpins the OS—giving it away for free. So says Mark Russinovich, one of the company’s top engineers.

“It’s definitely possible,” Russinovich says. “It’s a new Microsoft.”

From Wired’s An Open Source Windows Is ‘Definitely Possible’. In 2007 I predicted Windows will be Open Source by 2017, we’ll see if I end up being right on that one.