At the MWC, the company showed off a prototype that tracks finger movements to enable users to type on any surface.

Fujitsu has demoed a new way to type on a phone or tablet at the Mobile World Congress in Barcelona. A prototype virtual keyboard allows users to type on any surface, with the mobile device's front-facing camera tracking your finger movements as you hit different invisible keys.

The software-based solution requires you to align your fingers as you would on a traditional keyboard, and then type away on the surface to input text on your device. This would mean you could type using larger keys and screen space wouldn't be taken up by the keyboard.

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