Analysis of information sources in references of the Wikipedia article "오피스" in Korean language version.
[...] the Modern Efficiency Desk, first made in 1915 by Steelcase Inc. for the New York offices of Equitable Assurance. This desk, consisting of a simple, rectangular table with small drawers, replaced the cabinet-like desks, with their high backs made up of little drawers and cubby holes, which dominated office life before the First World War. At their new efficiency desks, office workers could be watched, monitored and subjected to time-and-motion studies.
