Eventually, Hollerith's patents were bought by a business known as the Computing-Tabulating-Recording Co. You may have heard of it by its later name: IBM.
Hollerith's tabulators, sometimes called "statistical pianos," were one of the first steps toward what we now think of as the information technology revolution. They were adopted by business for payroll and inventory records; punch cards were in use through the 1960s.
March 22, 2010 7:16 AM PDT
Photo by: U.S. Census Bureau
| Caption by: Declan McCullagh
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