How Microsoft became tech’s top dog again

Few companies have experienced the ups and downs of the nearly 50-year-old Microsoft. It helped launch the PC revolution in the 1970s and became a colossus of the tech world in the 1980s and 1990s, essentially setting the tech world’s agenda. Then after a federal anti-trust suit and CEO Steve Ballmer’s poor leadership, the company fell into a tailspin and lost its tech luster during a “lost decade” that began in 2000.When Satya Nadella took over as CEO from Ballmer in 20