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Latest / The Copywriting Podcast with Fexingo: Sales Letters, Headlines, and Persuasive Writing

How a Six-Word Subject Line Beat a Two-Page Letter

In this episode, Lucas and Luna dissect a classic direct-mail test from 1970s Chicago: a two-page sales letter for a financial newsletter went head-to-head against a six-word subject line on a postcard. The postcard won by 18 percent. They walk through the psychology — why brevity beat detail, how the postcard forced the writer to find the single most urgent reason to open, and what modern email marketers can steal from this test today. Plus, they tie it back to a 2026 lesson about attention in a cluttered inbox.

#Copywriting #Marketing #DirectMail #SubjectLine #Brevity #SalesLetter…

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