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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.
One of the clients I worked for had an interesting relationship with both Microsoft and BlackBerry at the time: both companies just outright paid them to build and maintain the Windows Phone and BlackBerry 10 apps, respectfully. Another agency did Windows Phone, but we billed them directly for the BlackBerry port of the Android app and its maintenance.