Holographic interfaces are straight out of science fiction, but now a Japanese tech company might them a reality. NEC Corporation is developing a virtual keyboard to pops up over your arm. The idea is create a more convenient way of entering data without a computer or tablet. Maybe you work in a bakery and your hands are covered in baking stuff or are taking inventory but need both hands to move stuff around, the virtual keyboard allows you to access or enter data without a clipboard or tablet. The user wears a special watch and glasses that track movement and show the display. Pretty cool idea!
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