Microsoft is throwing a coming-out party for Windows 8 and the Surface tablet, its most significant new products in years. At an event on a pier jutting into the Hudson River, the company's chief executive, Steve Ballmer, plans to showcase the new devices from its hardware partners that will run Windows 8, a version of its flagship operating system that Microsoft has reinvented for touch-screen devices. But the most high-profile of all the devices Microsoft is expected to feature, Surface, is being made by Microsoft itself. Stay tuned for live updates starting at roughly 11 a.m.
