As an example, I searched “shoe size chart,” which, according to Keyword Surfer, gets 49,500 monthly searches in the U. S. alone. Here’s one of the top results from Famous Footwear:

Presumably, people are searching for this because they want to buy shoes, but they’re not sure what size to get. If they click this result, not only are they now on the website, but they recognize that this brand provided the answer they were looking for. Perhaps they’ll even browse for shoes while they’re on the site.

How to execute this strategy: Find out what your target audience is curious about by talking to your customer service representatives, performing keyword research, and using tools like Answer the Public and BuzzSumo’s Discover Questions feature. Then see what content already exists and if you can do better. If you can, get to creating!