From the article ... "As Microsoft more tightly ties Windows Phone to Windows — starting in earnest with the Windows Phone 8 and Windows 8 & Windows RT release

From the article ... "As Microsoft more tightly ties Windows Phone to Windows — starting in earnest with the Windows Phone 8 and Windows 8 & Windows RT releases — the fortunes on one platform seem pinned to the fortunes of the other. A common look and feel and toolset is good for customers and developers when a halo effect convinces users happy with one platform to try its sibling. But if one of the two platforms stagnates, that halo becomes an anchor…."