How Shopping Insights helps to estimate search trends?

In 2019, Mobile searches are increased vastly and product purchases are happening via mobile internet only. Google plays vital role in mobile based online shopping. Whether they are looking for any product, Google is the first source to discover a product or brand. In a recent study, we learned that 84 percent of Americans are shopping in any given 48-hour period, in up to six different categories.
How Shopping Insights helps to estimate search trends?