Section 3 of 7
The Coupon
The coupon as the first device that made an advertisement countable — Hopkins, Caples and the science that followed.

Hopkins, 1923: an advertisement that cannot be tested is an opinion.Photo: RDNE Stock project / Pexels
- Hopkins Wrote It Down in 1923The CouponClaude Hopkins's 'Scientific Advertising' stated, for the first time in a single text, that every advertisement should be testable and every result measurable — the coupon as the instrument that made the claim operational.
- They Laughed When He Sat DownThe CouponJohn Caples wrote 'They Laughed When I Sat Down at the Piano' in 1926 — the headline, the split test that validated it, and what 'Tested Advertising Methods' (1932) built from that result.
- Wunderman Named It at MIT, 1967The CouponLester Wunderman's 1967 speech at MIT, where he used 'direct marketing' as a term for a practice that had existed for decades without a shared name — the argument he made, the institutions he pointed to, and why the naming mattered to the trade.
- Thirteen Records for a PennyThe CouponThe Columbia Record Club — built by Wunderman as a subscription machine, with its coupon-in-the-magazine recruitment and negative-option billing — as the clearest demonstration of direct-marketing mechanics at scale.
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