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Deep Trawling about economics and techniques of Internet advertising.
John Wanamaker, the 19th-century founding father of marketing, reportedly declared: “Half the money I spend on advertising is wasted; the trouble is I don’t know which half.” (3)
2013-07-10
for: The Economist Newspaper, London
Link: www.economist.com/news/finance-and-economics/21581715-simple-tests-can-overstate-impact-search-engine-advertising-ad-scientists

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