Today marks the anniversary of Satya Nadella's promotion to CEO of Microsoft -- and it's clear what a difference a year can make. Under Nadella's leadership, Microsoft's stock has jumped 14 percent, they've brought their suite of Office apps to iOS and Android, and perhaps most telling of all, developers and users seem genuinely excited about Windows 10. "I think he brought a new level of excitement and hope for the future of Microsoft and he clearly showed that innovation is important," Patrick Moorhead, an analyst at Moor Insights & Strategy, told ABC News. Of Microsoft's achievements in the past year, here's a look at some of the moments that stood out -- and show how Nadella, as Microsoft's third CEO, is making his mark on the company.



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