The A. C. Nielsen Company Pioneers in Marketing and Media Research

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Article abstract: Pioneering in market research, the A. C. Nielsen Company became a leader in the field, having significant technical and financial effects on commerce, advertising, and media research worldwide.

Summary of Event

The A. C. Nielsen Company was founded by A. C. Nielsen, Sr., in 1923 as a firm of engineering consultants who measured product movement and market size for industrial machinery and equipment. By 1933, this service had been abandoned and replaced by a marketing information service known as the Nielsen Drug Index. This service used...

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