keyboard, two characters share the same key, which reduces the number of keys and increases the surface area of each key, useful for mobile phones that have little space for keys. It means that 'Q' and 'W' share the same key and the user must press the key once to type 'Q' and twice to type 'W'. See also AZERTY HCESAR QWERTZ JCUKEN Colemak Keyboard Dvorak keyboard layout KALQ keyboard split-screen touchscreen thumb-typing Android-only 2013 beta Keyboard monument Maltron keyboard Path dependence Repetitive strain injury Text entry interface Thumb keyboard Touch typing Velotype Virtual keyboard WASD References Informational notes Citations External links Article on QWERTY and Path Dependence from EH.NET's Encyclopedia QWERTY Keyboard History QWERTY Keyboard in Mobiles Android phones with QWERTY keyboards 1873 introductions American inventions Computer keyboard types Latin-script keyboard layouts