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Microsoft CEO Satya Nadella admits giving up on Windows Phone and mobile was a mistake
(www.theverge.com)
This is a most excellent place for technology news and articles.
It's never too late for another try, when you got a few billion dollars burning a hole in your pocket. There is a market for it, if done right.
They'd have to have a significant USP, they'd be competing with 2 extremely mature OSs
~~Android Subsystem for Windows~~