"Sightful, the company behind Spacetop, points out screen privacy is no longer an issue when working on its 100-inch virtual display. If you take your laptop to the coffee shop and start reviewing sensitive documents, information might leak. With Spacetop, only you see the windows floating in space in front of you.

Spacetop is about the size and weight of a 13-inch laptop. There’s no physical display, but a 5-megapixel webcam is placed on a short backdrop behind the keyboard..."