A look at Sightful's Spacetop, a $2,000 laptop that replaces the screen with an AR headset, giving users a 100" display, available to 1,000 early adopters (Mark Hachman/PCWorld)

Mark Hachman / PCWorld:
A look at Sightful's Spacetop, a $2,000 laptop that replaces the screen with an AR headset, giving users a 100" display, available to 1,000 early adopters  —  Sightful's Spacetop AR laptop is brought to you by the chief executive behind the Microsoft Kinect.  —  Laptops have a problem: their screen.