Latest / The Copywriting Podcast with Fexingo: Sales Letters, Headlines, and Persuasive Writing
How a Two-Word Subject Line Doubled Open Rates
In this episode, Lucas and Luna dissect the anatomy of the most effective email subject line in a 2025 B2B campaign. They break down why a simple two-word subject line — 'Quick question' — outperformed every other variant by over 100 percent in open rates, and what that teaches us about curiosity gaps, social dynamics in email, and the danger of over-writing. Lucas shares the actual A/B test data from a $2 million SaaS launch, and Luna pushes back on whether the tactic can be repeated without burning trust. They also talk about how David Ogilvy used similar principles in his famous…
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