If there is one idea that justifies the use of the title “Scientific Advertising” by copywriter Claude Hopkins it’s this… “Almost any question can be answered, cheaply, quickly and finally, by a test campaign. And that’s the way to answer them – not by arguments around a table. Go to the court of last resort […]
More Gary Halbert Insights From Copywriter John Carlton
Super quick post. Copywriter John Carlton is on a roll over on his blog and has just posted another item about Gary Halbert called “Jerks, Genius , And Juice”. Note the mention of the classic copywriting book “The Robert Collier Letter Book”. Essential reading for every copywriter if only for that one idea of “Entering […]