KEY POINTS Despite falling 75% from its high, Netflix stock is still up 4,600% over the last 15 years. Netflix has seen subscriber and revenue growth decelerate substantially in recent years. Netflix recently selected Microsoft to power its ad-supported streaming service. The streaming pioneer is partnering with Microsoft on its ad-supported service.In 2007, Netflix $Netflix(NFLX)$ upended the entertainment industry when it launched the first streaming service, challenging traditional paid television with a less costly and more convenient alternative. Early on (and somewhat ironically), many industry executives failed to see Netflix as a threat, including the CEO of the now-defunct video rental chain Blockbuster.Everyone knows wha