I've not much to say about this, since the video explains a lot. Minuum is a new keyboard that aims to condense everything into a very small and easy to use package. Invest in these guys fast before the keyboard becomes a must have!
We could type with Kinect, or even our clothing. There wouldn't even be that much of a learning curve I'd assume, since it's pretty much a squashed QWERTY keyboard.
You can view their Indiegogo efforts here.