How to Use Google Trends Research Tool
Google Trends Tutorial
Google Trends is a fascinating tool which can be used to monitor trends in search queries on a massive scale with billions of searches. I described a few ideas here:
Recurrent Trends in Allergy-related Searches on Google
Not surprisingly, searches for "bee sting" peak every summer:
"Asthma" searches show a double-peak distribution with the highest frequency in spring and winter, with exacerbations triggered by pollens and upper respiratory tract infections, respectively:
The data can be tailored to a particular part of the world or language. If there is enough volume, for example, a popular search term, Google Trends can be fine-tuned to show data from states or even cities.
Related:
Google Trends and Top Hospitals According to U.S. News and World Report
Recurrent Trends in Allergy-related Searches on Google
Google Trends with Numbers. Google Operating System, 06/2008.
A new flavor of Google Trends. Official Google Blog, 06/2008.
Google Shows Search Volumes. Google Operating System, 07/2008.
Keyword Tool updated with search volume data. Inside AdWords, 07/2008.
Updated: 07/12/2008