Latest / The Copywriting Podcast with Fexingo: Sales Letters, Headlines, and Persuasive Writing
The One-Word Permission That Lifts Response Rates
Why does adding a single word like 'free' to a call-to-action sometimes double response rates, while the same word flops in a headline? In this episode, Lucas and Luna trace the psychology behind 'permission words' — tiny linguistic signals that lower the reader's perceived risk. They dig into a 2025 split-test by a B2B SaaS startup: the control said 'Start your trial'; the variant said 'Start your free trial' and lifted signups by 61 percent. But the bigger insight is why the word worked only after the company addressed trust signals on the…
The skinny
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