“unlike surveys, this analysis is quick, quantifiable, and can show what is popular and in-demand not only at the global level but at finer scales. Google Trends can also be a valuable technology for many other applications, especially research areas that may otherwise be difficult to monitor or quantify”…
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8001315/
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8001315/
