The Google Blog announced a new trends project named within Google Finance named Google Domestic Trends. In short, Google tracks searches on Google.com and then groups those search volume metrics into industry sectors. Google will then plot the search volume by several industry sectors on a trends graph and allow you to then overall stocks and indices on top of those search volume trends.
For example, I plotted Continental Airlines stock price on Google’s domestic trends index for airline travel:
Google thinks there may be some useful insight into search volume for economic forecasting. For more information, see the Google Finance Blog and Techmeme.
Related Topics: Google: Finance | Google: Trends
According to Google’s most recent white paper, the economic models that took their data into account outperformed the models that did not. Google’s Domestic Trends may be useful in all sectors of the economy, especially in marketing. For more – http://domusinc.blogspot.com/2009/09/google-domestic-trends-indexes.html