Concept
Curiosity Gap
The curiosity gap is the felt distance between what people know and what they want to know, and it creates a mild itch that keeps them paying attention until it is closed.
Psychologist George Loewenstein called this the information gap. Curiosity doesn't come from knowing nothing. It comes from knowing just enough to notice that something is missing. Chip and Dan Heath build on this idea in Made to Stick. Saying something unexpected breaks a pattern, and that grabs attention for a moment because the audience's mental prediction just failed. That jolt is brief, though. The gap is what holds attention: as long as people carry a question they care about, they stay with you to get the answer. Two conditions matter. The gap must be specific, because "today I'll talk about productivity" opens nothing. And you must close it. A question you never answer feels like a trick and costs you trust.
A real-life example
A product manager presenting quarterly results usually starts with the agenda. This time she opens with: "Last quarter our most-used feature was one we almost deleted in March. By the end of this talk you'll know why it survived and what that means for next year's roadmap." Now the room holds a question. She answers it in the final third, after the numbers, so every slide feels like a step toward the answer.
How to use it
- 1Find the one surprising fact in your material, the thing that contradicts what your audience assumes, and put it in your first minute.
- 2Turn it into a specific question your audience will want answered, and say out loud that the talk will answer it.
- 3Close the gap deliberately later on. If you can't deliver a satisfying answer, don't open the question.