suggesting that a monkey could do their jobs. The commercial was taken off the air. Legacy The company's subsequent models were the Xerox 710, the Xerox 1000, the Xerox 813 and the Xerox 2400. One writer has assessed that the popularity of the machine has had a number of lasting impacts, such as prompting the introduction of highlighter pens, and university courses switching from reading lists of single chapters from several books, each of which needed to be purchased by the student, to requiring the students to purchase a single compilation of those chapters produced by local copy shops. In popular culture The arrival of a Xerox 914 is a cultural signifier in the second season of Mad Men, set in a 1961 Manhattan advertising agency. It is acquired specifically to impress a potential client with how modern the agency is. In the 2017 film The Post, Daniel Ellsberg, portrayed by Matthew Rhys, is seen using a Xerox 914 to copy the Pentagon Papers. References Further reading Brooks, John, (1967) 'Xerox Xerox Xerox Xerox' The New Yorker Magazine, Apr 1 and available at Gatesnotes.com Xerox Photocopiers Products introduced in 1959 American inventions