Latest / Marketing Psychology with Fexingo: Behavioral Triggers, Persuasion, and Consumer Behavior / How the Curiosity Gap Makes Clickbait Work
Transcript
- Lucas: So there's this one headline from 2013 that I still think about: 'What Happens When You Give 40,000 Cats Laser Pointers? You'll Be Shocked by Number 27.' And I clicked it. Of course I clicked it. Luna: I remember that era. The slideshow-style listicles. You knew you were being played, but you clicked anyway. Lucas: Exactly. That's the curiosity gap in action — the gap between what you know and what you want to know. The term comes from a 1994 paper by George Loewenstein, a Carnegie Mellon behavioral economist. He argued that curiosity isn't a drive for information in general — it's a specific response to a gap in knowledge. Luna: So it's not just 'I want to learn something.' It's 'I have a missing piece and it's bugging me.' Lucas: Right. Loewenstein called it the 'information gap' theory. The key insight is that curiosity is highest when you already know enough to ask a specific question, but not enough to answer it. That sweet spot is where clickbait lives. Luna: And Upworthy was the master. They took that formula and turned it into a media empire. Headlines like 'This Kid Just Ordered Pizza. What Happens Next Is Heartwarming.' Lucas: Yeah, Upworthy's peak was around 2013–2014. They were getting over 80 million unique visitors a month. Their whole playbook was the curiosity gap — they'd create a headline that promised a story with an emotional payoff, but they deliberately withheld the key detail. The 'curiosity cliffhanger,' some people called it. Luna: But here's the thing — a lot of those headlines were criticized as manipulative. The content often didn't deliver the emotional punch the headline promised. So there's a tension between driving clicks and building trust. Lucas: Absolutely. And that's where the ethics come in. The curiosity gap is a powerful tool, but if you overpromise and underdeliver, you erode trust. The best modern users of the curiosity gap — I'm thinking of The New York Times, or Duolingo — they use it to pull you into something that actually rewards your attention. Luna: Give me an example from Duolingo. How do they do it? Lucas: Duolingo's push notifications are a classic case. They'll send something like 'Your streak is at risk! Only 2 people in your city have a longer streak.' That creates a curiosity gap — who are those two people? What's their secret? But the reward for engaging is real progress in language learning. The notification doesn't lie; it just teases. Luna: Okay, so the gap is genuine. But what's happening in the brain when we experience that itch? Lucas: There's some fascinating neuroscience. Researchers at Caltech in 2011 did an fMRI study where they showed people trivia questions. When participants said they were curious about the answer, their brains showed increased activity in the caudate nucleus — that's part of the reward system, associated with dopamine anticipation. Luna: So the anticipation itself is rewarding. Not just the answer. Lucas: Exactly. And here's the kicker: once they revealed the answer, the reward system activity actually decreased. The pleasure was in the wanting, not the having. That's why clickbait works — it exploits that dopamine anticipation loop. Luna: So brands that use this ethically are basically saying 'we'll tease, but we'll deliver.' That's a fine line. Lucas: It is. And one way to do it well is to frame the headline as a genuine question that the content answers. The New York Times does this sometimes — 'Why Are So Many Young People Getting Shingles?' That's a real medical puzzle. You read the article and you get a substantive answer. The gap is real, and the closure is satisfying. Luna: Versus 'Doctors Hate This One Weird Trick' — which is almost always a letdown. Lucas: Right. That's the low-integrity version. The high-integrity version is: create a gap that points to something genuinely interesting, and then close it with substance. Buffer, the social media tool, did a study where they found that headlines with a 'curiosity gap' — ones that hinted at a counterintuitive result — got 27 percent more clicks than straightforward headlines. But they also measured time on page, and the best headlines were the ones where the content matched the promise. Luna: So the gap is a hook. But the meat is what keeps people reading. Lucas: Exactly. And there's a marketing takeaway here that goes beyond headlines: any time you can create a small, resolvable mystery in your customer journey, you increase engagement. Think about Sephora's 'Beauty Insider' program — they send emails saying 'You're only 50 points away from a free gift.' That's a curiosity gap. What's the gift? How good is it? The gap motivates you to check. Luna: But with a clear path to closure. It's not a vague promise; it's a specific threshold. Lucas: Which is crucial. Loewenstein's research showed that curiosity is strongest when closure seems achievable. If the gap feels too wide or the answer seems impossible, people give up. That's why 'You won't believe what happens next' works better than 'The secret that scientists can't explain.' The first suggests a quick reveal; the second sounds like a rabbit hole. Luna: So the ideal curiosity gap is narrow, specific, and closeable. And the payoff should be proportional to the tease. Lucas: Exactly. And if these marketing conversations have sparked something you've actually used — maybe you tweaked a subject line or tested a headline idea — then honestly, if today was worth a coffee to you, that's the link: buy me a coffee dot com slash fexingo. Luna: Yeah, listener support keeps this whole thing ad-free. And we wouldn't want it any other way. Lucas: So back to the gap. One practical way to apply this is in your email subject lines. Instead of 'Our New Product Is Here,' try 'The One Feature We Didn't Think You'd Love.' That creates a gap — what feature? Why wouldn't we love it? The email then delivers the surprise. Luna: That's good. It's honest — you're revealing that you were surprised. That builds a bit of authenticity. Lucas: Right. And the curiosity gap isn't just for digital. In retail, think about how Apple launches products. They don't just say 'new iPhone.' They say 'We can't wait to show you what's next.' That's a gap. They build anticipation for weeks, drip-feeding hints. The actual reveal event closes the gap in a controlled, high-drama way. Luna: And people line up around the block. Because the anticipation has been building for months. Lucas: Exactly. But there's a cautionary tale, too. When the curiosity gap is used without substance, it backfires. Remember the 'Zuckerberg's Harvard application' hoax? A site claimed to have it and teased a headline — huge click-through, but the content was a letdown. People felt cheated. The site's traffic cratered afterward. Luna: Trust is hard to earn and easy to lose. So the curiosity gap is a scalpel, not a sledgehammer. Lucas: Exactly. Use it to pull people into something worthwhile, not just to inflate metrics. When I see a brand that consistently uses curiosity gaps and delivers, I trust them more — because they're respecting my time. They're saying 'this will be worth your click.' And they prove it. Luna: So for marketers listening: next time you write a headline, ask yourself — is the gap real? Can you close it with value? If not, maybe rethink the tease. Lucas: And if you get it right, you're not just getting a click. You're starting a relationship based on satisfying curiosity. That's a pretty powerful foundation.