Microsoft and Apple aren't as heated rivals as perhaps they once were. 30 years ago the future of home computing was at stake and Windows (although dominant in market share) was fighting every day vs. Mac OS. Today we know that Windows is the heavyweight champ when in comes to operating system market share, but the two companies continue to wage a healthy high-tech rivalry. 

This article explores how Microsoft clawed its way back to the top with some insights and strategic imperatives from CEO Satya Nadella.