Google has introduced a new tool to its labs called Google correlate, that I have been having fun using for clients. It is great for understanding search patterns and how search changes over time, or in different states in order to improve your search engine optimization. It basically works like Google Trends in reverse.  Instead of typing in a term and the  getting back data about that query, with Google correlate you enter the data and you will then get a list of search terms following similar patterns. You can use it by exporting your own data, or entering your query into Google’s search term. For example, the following are terms with similar patterns to “search” over time:

and this is the data comparing US states: