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FRIDAY, FEBRUARY 8: PHOTOCOPYINGProfile America — Friday, February 8th. Every time you step up to a photocopier, you can thank a man named
Chester Carlson, born on this date in 1906. In 1938, he developed a method of making dry copies of documents on plain paper, known as xerography — which we take for granted in using photocopiers today. Before his invention, copies were made either by using carbon paper when typing or a mimeograph machine for large numbers of copies. Both were messy. The first commercial copiers became available in 1959. Now, making copiers is a
$2.2 billion a year business in the U.S. You can find current data on the country's economy by downloading the new "America's Economy" mobile application at
Sources: 2007 Economic Census, NAICS 333315
Profile America is produced by the Center for New Media and Promotions of the U.S. Census Bureau. These daily features are available as produced segments, ready to air, on a monthly CD or on the Internet at
http://www.census.gov (look for "Multimedia Gallery" by the "Newsroom" button).
SOURCE U.S. Census Bureau