Ifemu yezicathulo ezimhlophe iyinkampani yezinsizakalo ezihola phambili esezinesikhathi eside ikhona - futhi imele izinkampani eziningi ezikhethiwe. Leli gama lisetshenziswa kakhulu e-United States kunakwamanye amazwe. Ezimweni eziningi, kungumthetho, ukubalwa kwezimali, ukubhenka, noma inkampani yokubonisana nabaphathi. Leli gama kukholakala ukuthi lisuselwa kusitayela sokuqala se-preppy, izicathulo zebuck emhlophe ze-Oxford. Lezi zazithandwa phakathi kwabafundi baseYale University nakwamanye amakolishi e-Ivy League ngawo-1950. Ngokunokwenzeka, laba bafundi abagqoke ngendlela engenasici abavela ezikoleni ezikhethekile babeqiniseka ngokuthola imisebenzi kumafemu ahlonishwayo uma sebephothulile.