Latest / Sales Leadership with Fexingo: Quota Carriers, Sales Managers, and Revenue Teams / How Sales Reps Can Use the Curiosity Gap in Cold Outreach
Transcript
- Lucas: There's this moment in every cold outreach sequence where you've got about three seconds to decide whether your email gets opened or swiped into the trash. And the best reps I know don't win that moment with a clever subject line about a 'quick question.' They win it by exploiting what psychologists call the curiosity gap. Luna: The curiosity gap — that's the space between what someone knows and what they want to know, right? Lucas: Exactly. The term comes from George Loewenstein, a Carnegie Mellon economist, back in 1994. He argued that curiosity is basically an aversive state — like an itch — that we're motivated to scratch. When you create a gap between what someone knows and what they feel they should know, their brain releases dopamine just thinking about closing that gap. Luna: So you're not selling them on a solution yet. You're just making them feel like there's something missing from their understanding. Lucas: Right. And the classic example is the subject line. I was talking to a founder of a B2B SaaS company last quarter — they sell a lead enrichment tool. They tested two cold email variants to the same list of 500 sales directors. The control had a straightforward subject line: 'Increase your lead response rate by 30%.' The test subject line was: 'Your LinkedIn headline is costing you leads.' Luna: And the test won, I'm guessing. Lucas: Forty percent higher open rate. And the reply rate was nearly double. The curiosity gap made people click because they had to know: 'What's wrong with my LinkedIn headline?' The control was a promise of value — which is fine — but it didn't create that information void. Luna: The thing is, if the email body doesn't deliver a real insight, you've just wasted that click. You've scratched the wrong itch. Lucas: That's the critical balance. If the gap is too wide — like 'I have a secret that will double your revenue' — you sound like a spammer. If it's too narrow, there's no itch at all. The sweet spot is something specific and relevant to the prospect's world, but slightly incomplete. You're showing them the edge of what they know and hinting at a blind spot. Luna: So how do you calibrate that for a voicemail? Because you have even less time there. Lucas: Voicemail is actually where the curiosity gap shines brightest, because you can leave a cliffhanger. I heard a rep leave this message: 'Hey, this is Dan. I noticed your team's outbound response time is averaging about 12 hours. I've got a quick data point on how that's affecting your conversion rate that might surprise you. Give me a call back, happy to share it.' That's it. He didn't pitch anything. He just left a gap about a specific number. Luna: And did people call back? Lucas: He said his callback rate went from about 5 percent to around 18 percent in that segment. The key was he named a figure — 12 hours — that the prospect could immediately relate to. If he'd said 'your response time is too slow,' that's vague and easy to dismiss. But '12 hours' is concrete. The gap is: how much is that costing me? Luna: There's a line between intriguing and frustrating, though. If you leave too big a gap and never fill it, you burn trust before you even start. Lucas: Absolutely. The rule I like is: the gap has to be closed within the same interaction. If you use a curiosity-gap subject line, the email body better deliver a specific, non-obvious insight. Not a full solution — but enough to satisfy the immediate itch. You can leave a deeper gap for the next conversation. Luna: So it's like a serialized TV show — each episode ends with a hook, but you get a payoff before the next hook. Lucas: Exactly. And the best reps are deliberate about which gaps they open. You don't want to open a gap about pricing if you're still in the discovery phase. You want to open gaps about problems the prospect hasn't fully articulated yet. Luna: Give me an example of a gap that works in discovery. Lucas: Sure. Instead of saying 'We help companies reduce churn,' you say something like 'I've been looking at your onboarding data — there's a pattern in the first 30 days that correlates strongly with six-month retention. I'd love to show you what we found.' You're not claiming to fix it yet. You're just pointing at a pattern they might not have noticed. Luna: And if they take the bait, you have to actually have that data ready. Otherwise you're just wasting their time. Lucas: Right. The curiosity gap is a technique, not a trick. It only works if you can genuinely offer something useful once the gap is closed. If you're just teasing without substance, you'll get a reputation fast. Luna: So what's the biggest mistake reps make when they try this? Lucas: They over-rotate on the subject line and then the email body is generic. You see this all the time: subject line says 'Your website is losing customers,' and then the email is just 'We help companies improve conversion rates.' The gap promised something specific about their website — but the payoff is a generic pitch. That's a betrayal of the curiosity itch. Luna: It's like a clickbait article that doesn't deliver. Once burned, twice shy. Lucas: Exactly. So the discipline is: every curiosity gap you open, you must be prepared to close with a specific, relevant insight. That means doing your research before you write the email. Know one thing about the prospect's business that is true, non-obvious, and actionable. Luna: And if you don't have that insight, maybe the curiosity gap isn't the right approach for that particular outreach. Lucas: I think that's right. I'd rather send a boring but honest email than a clever empty one. The curiosity gap amplifies whatever you put in the gap — if it's substance, you look smart. If it's hot air, you look manipulative. Luna: That's a good way to frame it. It's not a silver bullet; it's a multiplier. Lucas: Speaking of multipliers — if you're finding these conversations useful, a couple of dollars a month is genuinely what keeps them going. Buy me a coffee dot com slash fexingo, if you've gotten something out of them. It really does make a difference. Luna: Yeah, it's how we stay ad-free and focused on the actual craft. No pressure at all — just if it's helped your work in some small way. Lucas: So back to the curiosity gap — one last practical takeaway. If you want to test this yourself, try a simple A/B test on your next 100 cold emails. Use a curiosity-gap subject line versus your standard one. Track open rate and reply rate separately. But also track whether the replies turn into actual conversations. Because the goal isn't just to get opened — it's to get a conversation that moves the deal forward. Luna: And if the curiosity-gap email gets more opens but fewer qualified conversations, you've got a payoff problem. Lucas: Exactly. The gap is the hook, but the content is the keeper. Get both right, and you've got a cold outreach rhythm that actually feels human.