The RAND Tablet: A Man-Machine Graphical Communications Device
Malcolm Davis, T. O. Ellis · RAND Corporation eBooks · 1964
The RAND tablet was one of the first devices permitting the input of handwritten text and freehand drawings into a computer. While limited in its capabilities and far too expensive for commercial use, the RAND Tablet nonetheless showed the way for PalmPilots, Tablet PCs, and iPads.