There have been many attempts to make a computer work from your pocket and without a keyboard. Apple is rumored to work on a tablet device. It has invented the Newton Message Pad over 15 years ago – which was a marvelous (but expensive) device at that time.
Microsoft is working on a new prototype that features a dual-screen called Courier. Here is a design mockup (published by Gizmodo) that shows how the device could look like:
Here is a discussion from TechViShow:
I’m am a little bit skeptical looking at the design mockup. And I think Microsoft should take a different course: finish the product in the lab and market it as “availbale now” instead of creating new vaporware.