If there was a Mount Rushmore of advertising, Claude C. Hopkins would be its George Washington. Test marketing, coupon sampling, and copy research are standards today in advertising, and Hopkins invented them all. Here, in his own words, are his 13 don'ts of advertising.





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Share your small business tips with the community!
Share your small business tips with the community!
Share your small business tips with the community!
Share your small business tips with the community!