Google Finance has a new feature that uses Google Trends to show search volume as it relates to economic sectors. The feature is called Google Domestic Trends and it consists of 23 indexes.
Ultimately, Google's goal is to predict economic indicators via search volume data. You can download Google Domestic Trends and use it with your own models.
The 23 indexes are:
Advertising & marketing
Banking & personal finance
Computers & electronics
Credit & lending
Finance & insurance
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