Microsoft CEO Satya Nadella has been in the top job for five months, and there's one point he's made more than any other. He's now firmly stamping his mark on the software giant. In a long letter to Microsoft's more than 100,000 employees, Nadella outlines his vision to reshape the core of Microsoft. Here's what it means for Xbox, Surface, and more.
CEO Satya Nadella teases big changes coming to Microsoft