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ACNielsen is a global marketing research firm, with worldwide headquarters in New York Citymarker. Regional headquarters for North America are located in Schaumburg, ILmarker. As of 2008, its the part of The Nielsen Company.


This company was founded in 1923 in Chicago, Illinoismarker, by Arthur C. Nielsen, Sr., in order to give marketers reliable and objective information on the impact of marketing and sales programs. ACNielsen began expanding internationally in 1939, and now operates in more than 100 countries.


One of ACNielsen's best known creations is the Nielsen Ratings, which measure television, radio and newspaper audiences in their respective media markets. In 1950 they began attaching recording devices to a statistical sample of about 1200 consumer television sets in the U.S [67267]. These devices used photographic film in mail-in cartridges to record the channels viewed by the consumer and thus determine audience size. Later they developed electronic methods of data collection and transmission. In 1996, ACNielsen split off this part of its operations into a separate company called Nielsen Media Research (NMR), which operated as an independent company until it was acquired by Dutchmarker conglomerate VNU in 1999.

Another market research tool is the Homescan program where sample members track and report all grocery and retail purchases, allowing purchasing patterns to be related to household demographics. Homescan covers several countries including Australia, Canadamarker, the United Kingdommarker, and the United Statesmarker. In 2004, ACNielsen chose the CipherLab CPT-8001 as its data collection terminal for the Homescan program throughout Asia.


In Germanymarker, ACNielsen gained particular reputation for their introduction of the Nielsen areas (or Nielsengebiete in German), each of which includes one or more German federal states sharing a similar economic structure, culture, and consumer behaviour. To a considerable part, marketing strategies in heterogeneous Germany depend on the Nielsengebiete, this even leading to the result that some trademarks or marketing campaigns have only been introduced in some of the Nielsengebiete. In addition, in many newspapers or magazines disseminated nationwide, ads may be placed for just only one or some Nielsengebiete; the circulation figures of print media are often stated according to Nielsengebiete, as well.

M & A

In 2001, ACNielsen itself was acquired by VNU, as part of VNU's Marketing Information group, and thus is now under the same corporate umbrella as the company it spawned, NMR. Nielsen Media Research is based in New York Citymarker, while ACNielsen headquarters remain in Schaumburg, Illinois.

ACNielsen is also sister company to Nielsen//NetRatings, which measures Internet and digital media audiences, and Nielsen BuzzMetrics, which measures Consumer-Generated Media.

IMS Health and ACNielsen ORG-MARG entered into a joint venture on the 1st of January 2004, aligning their health care information business operations in India, bringing together the two organizations’ global expertise and strong local presence to deliver a broader array of actionable, strategic solutions to the pharmaceutical market.

In 2005, ACNielsen initiated their MVP (Media Voice Panel) program. Panel members carry an electronic monitor that detects the digital station and program identification codes hidden within the TV and radio broadcasts they are exposed to. At night, members place the monitor in a cradle that sends the collected data through the home's electrical wiring to a relay device that transmits it by phone, making it one of the first practical uses of electrical wiring as a home network. With an approximately one week notice to members, the MVP program ended on March 17, 2008.

In 2007, the owner VNU changed its name to "The Nielsen Company".

External links


Examples for marketing based on Nielsen areas: [67268] [67269] [67270]

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