What makes people click on things?
Curiosity, FOMO
In short, people click when what they SEE matches what they WANT. But what they want can depend on other factors. Maybe they want to be in the know or want to do what others are doing. Some people even want things without consciously knowing why.
Why do people click on ads?
In a survey of 506 people who said they have clicked on a paid search ad in the past month, 75% said the ads make it easier to find information they're looking for. That's a good indication they think the ads are relevant to their searches. The top reason people said they click on search ads?