Sholes and Glidden typewriter length. The redesigned platen also introduced the modern spacing functionality (horizontal and axial movement providing letter and line spacing, respectively). The cylindrical platen became "an indispensable part of every standard [typewriter]". By the end of 1872, the appearance and function of the typewriter had assumed the form that would become standard in the industry and remain largely unchanged for the next century. Although the machine possessed a cylindrical platen and what was essentially a QWERTY keyboard, two design elements that would later become essential were lacking: the ability to write in upper and lowercase letters and "visible" print. Although the
Chinese typewriter typewriter in the music video for "U Can't Touch This". The move, with its fast paced and large gestures, supposedly resembles a person working on a huge, complex typewriter. The Chinese typewriter was ultimately eclipsed and made redundant with the introduction of computerised word processing, pioneered by engineer and dissident Wan Runnan and his partners when they formed Stone Emerging Industries Company () in 1984 in Zhongguancun, China's "Silicon Valley". Stone developed software to allow a Brother Industries dot matrix printer, distributed by Mitsui, to print Chinese characters and released the system as the MS-2400. Chinese typewriter A Chinese typewriter