Microsoft has a long and storied history of leadership in the tech industry, and the company has driven innovation for decades. In recent years, however, Microsoft has fallen behind the times in several key industries; the company’s mobile position has deteriorated and left it with a low single-digit market share, and Microsoft won’t launch Windows RT, its response to Apple’s three-year-old iPad, until later this year. In a recent piece titled “Microsoft’s Lost Decade,” Vanity Fair contributor Kurt Eichenwald analyzes the company’s “astonishingly foolish management decisions” and picks apart moves made during the Steve Ballmer era.