“Who the hell wants to copy a document on plain paper?” That was from a rejection letter Chester Carlson received in 1940. That also was in response to his XEROX-machine plain-paper printing idea. Not deterred, Chester represented his idea to over 20 companies between 1939 and 1944. Many of these organizations used the word “useless” to describe Chester’s idea. Even the National Inventors Council dismissed it. Today, there is virtually no one who has not copied a document on plain […]