Example image of eyePlorer eyePlorer map for 'Chorded keyboard': Chord (music) Chorded keyboard Input device Piano Keyer ASCII Bit Byte Character (computing) Baudot code Microwriter Wearable computer Touch typing Words per minute Thad Starner Stenotype Alphanumeric keyboard Speech recognition Charles Wheatstone Telegraphy William Fothergill Cooke Baudot Braille Louis Braille Perkins Brailler IBM Douglas Engelbart Mouse (computing) The Mother of All Demos PARC (company) QWERTY Philips Redhill, Surrey Atmel AVR PIC microcontroller Refreshable Braille display Visual impairment Cursor (computers) Cy Endfield BAT keyboard Tablet PC FrogPad Velotype Mouse chording AlphaGrip Chording NLS (computer system) Matias Corporation Xerox Alto Office of the future