Advertising on the web is a lucrative business for publishers, but the economics of online advertising are notoriously complex.How much does it cost to run an ad?What is the maximum
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How to write an ad in 1920s advertisementsHow to write an ad in 1920s advertisements
An advertisement in 1920 was so ubiquitous that the ad agency for the United States government issued instructions to its employees to write and print ads that were similar to
