95-Year Old Marketing Trick Trumps Google
In 1923, Claude Hopkins published Scientific Advertising. Though the language is dated, nearly every principal is still applicable today! If you're serious about marketing, you must read Claude's book. Here's an excerpt from Hopkins' Scientific Advertising featuring a "95-Year Old Marketing Trick" ...
"To track the results of his advertising he used key-coded coupons and then tested headlines, offers and propositions against one another. He used the analysis of these measurements to continually improve his ad results, driving responses and the cost effectiveness of his client’s advertising spend."
In 1923, they were called a key-coded coupon. Today we call them promo codes. By using something as simple as a promo code, you get massive advertising insight. In many cases, advertising insights that trump Google Analytics! Yet for some reason, people consider promo codes a marketing gimmick and dismiss them. That's a massive mistake!
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