"But the release of Cortana and the companion app—as well as other fully featured Microsoft apps like OneDrive, Office and Outlook.com—on iOS and Android is an acknowledgment that Windows phones will likely never be chosen by a significant chunk of even the most diehard Windows users"
Microsoft Excel 1.0 was first on Mac, there was never a 1.0 for DOS or Windows. Windows is still the monopoly on PC with 90+% share due OEM and EFI. For the mobile devices both iOS and Android are big, then comes the smaller rest of Win, Blackberry, Bada, Jelly, Ubuntu, FirefoxOS, etc. WinCE had a head start 20 years ago, but especially the die hard Windows users turned away from WinMobile 6.5 (CE based) as it was dumped with all its app eco system in favor of WinPhone 7 (still CE but with only Silverlight/XAML apps) that was as useful as Android 1 or iOS 1.
Microsoft Excel 1.0 was first on Mac, there was never a 1.0 for DOS or Windows. Windows is still the monopoly on PC with 90+% share due OEM and EFI. For the mobile devices both iOS and Android are big, then comes the smaller rest of Win, Blackberry, Bada, Jelly, Ubuntu, FirefoxOS, etc. WinCE had a head start 20 years ago, but especially the die hard Windows users turned away from WinMobile 6.5 (CE based) as it was dumped with all its app eco system in favor of WinPhone 7 (still CE but with only Silverlight/XAML apps) that was as useful as Android 1 or iOS 1.