In 1986, Ikujiro Nonaka & Hirotaka Takeuchi, two academics who observed companies such as Toyota, defined 3๏ธโฃ categories of companies:
๐๐ข๐๐ ๐ฐ companies, such as NASA ๐, which divide work into well-defined phases and do not move on to the next phase until the previous one has been completed.
๐๐ข๐๐ ๐ฑโฆ