Google Trends

Google Trends is a public web facility of Google Inc., the information about providing what search terms users of the Google search engine and how often entered. The results are put in relation to the total search volume and are in weekly resolution since the beginning of 2004 for the whole world or individual regions.

This tool can be the popularity of individual terms over time to analyze what allows conclusions to be Formative trends in society. Among other things, the particular associated with influenza searches for the prediction of the propagation of influenza illness in the population were used. Since the relative abundance of specific keywords correlates very strongly with the proportion of influenza - related doctor visits, a weekly estimate of flu cases may be published. It was furthermore demonstrated that a correlation exists between search queries according to the company name and their transaction volumes in the stock market.

Google Insights for Search was set as an independent service on 27 September 2012, and integrated Trends in Google.