The DataHand is an unconventional computer keyboard introduced by 1990, by DataHand Systems, Inc, designed to be operated without any wrist motion or finger extension.
The DataHand is an unconventional computer keyboard introduced by 1990, by DataHand Systems, Inc, designed to be operated without any wrist motion or finger extension. (en)
The DataHand is an unconventional computer keyboard introduced by 1990, by DataHand Systems, Inc, designed to be operated without any wrist motion or finger extension. (en)