When Microsoft CEO Satya Nadella first took the job in 2014, it wasn't long before he unveiled a new guiding mantra, encompassing his new vision for the company: "mobile first, cloud first."That mantra was a big departure for Microsoft — it had spent the last several decades pushing Windows above all else, while Windows market share languished and the Windows phone business failed to get any kind of significant traction. Nadella was declaring his intention to build applications that work across all platforms, not just Microsoft's. Now, at the Microsoft Build 2017 event this week in Seattle, Nadella unveiled a...