Latest / The Copywriting Podcast with Fexingo: Sales Letters, Headlines, and Persuasive Writing
How a Single Question in the Subject Line Lifted Open Rates
In this episode, Lucas and Luna dig into the psychology behind a one-question subject line that lifted open rates by 68 percent in a B2B email campaign. They unpack why asking a question—rather than making a statement—creates a curiosity gap that pulls readers in, and they walk through the specific wording that made it work. Along the way, they examine the neuroscience of unanswered questions, how the technique performs across different industries, and why it's not a magic bullet for every brand. If you've ever wondered why some subject lines feel impossible to ignore, this episode…
The skinny
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