Microsoft's device chief sees a future without three versions of Windows | The Verge

count((Windows Phone + Windows RT) + full Windows) = 2

"Microsoft currently ships Windows RT, Windows 8, and Windows Phone software on a variety of devices, but it’s heading towards a future where just a single version of Windows will exist. Speaking at the UBS Global Technology Conference last week, Microsoft’s head of devices, Julie Larson-Green, hinted strongly that the software giant is finally working to merge its core operating systems. "We have the Windows Phone OS. We have Windows RT and we have full Windows. We're not going to have three," says Larson-Green."

Microsoft's device chief sees a future without three versions of Windows | The Verge