See what the world is searching for
The sense trend index recently alerted me to Google trends, which allows you to compare up to 5 terms and see the volume of searches across a time period of your choosing. Search results are returned as a time plotted graph together with details of the city or region from which the search originated. Links to key news stories appear at peaks along the trend line.
This sounds like a great way to easily and cheaply monitor the impact of your organisation’s communications and campaigns.
For example, here are the results for: