A US-based company, best known for its copiers, printers, and other reprographic equipment. In 1970, Xerox established its Palo Alto Research Center (Xerox PARC) and in 2002 this was spun off into separate company. It is through Xerox PARC that Xerox has made its impact on the computer industry, with the development of graphical user interfaces, the Smalltalk object-oriented development system, and Ethernet.