article_snippet: The audio sensors would decipher vibrations made by tapping to work out which ‘keys’ a user is pressing and the corresponding letters would appear on a screen, like normal, Quartz reported.
article_snippet: Numbers could be assigned to a forefinger, for example, while symbols could be assigned to the middle finger.
article_snippet: Alternatively, letters could be plotted at various points across the fingers and palm from top to bottom.
article_snippet: Users would then use Users thumb to ‘press’ the various keys on both hands.
article_snippet: The camera would capture the movement of the thumb, or identify the force pressed onto each finger, to establish which key had been pressed and type the message accordingly.
highlights_snippet: Sensors could detect vibrations to work out which 'key' is being pressed .
  