A/B testing tells you what's working — but only if you test one variable at a time and reach statistical significance before drawing conclusions. Enter two variants, log the results, and the lab tells you the winner, the confidence level, and what to scale next.
5 alternative opening lines — one per approach: job signal, funding/growth signal, direct problem, counterintuitive observation, peer reference. Five testable variants in 30 seconds instead of 30 minutes.