Share of Ad Spending by Medium - December 2009
Note: Internet spending estimates are from AdRelevance. All others from Nielsen Monitor-Plus. Different methodologies employed by each company may lead to disproportionate comparisons.|
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Share of Ad Spending by Medium - December 2009
Note: Internet spending estimates are from AdRelevance. All others from Nielsen Monitor-Plus. Different methodologies employed by each company may lead to disproportionate comparisons.
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Do you have anthing that explains the nielsen measurement methodology for this chart - for example in print does it include Sunday circulars - their printing cost and trade investment from manufactorers that pay for that?