Chinese PC maker Linglong have crammed an entire mini PC into a keyboard that’s small enough to fit in your back pocket. Oh, and it folds, too. All you need is a display. Why do you need a display?

The keyboard PC also has a built-in trackpad, so you don't need to bring a mouse to use it. Interestingly, the portable mini PC lacks a built-in display, but the presenters had one interesting ...