
Dinosaurs of the Air
Gregory S. Paul
₹5,455

by Lars Heide
Johns Hopkins University Press
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At a time when Internet use is closely tracked and social networking sites supply data for targeted advertising, Lars Heide presents the first academic study of the invention that fueled today's information revolution: the punched card. Early punched cards helped to process the United States census in 1890. They soon proved useful in calculating invoices and issuing pay slips.
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