Information is generated indicative of frequency of search terms presented
to at least one online search service. As event indications, indicative
of user interaction generally with front end servers, are being provided
for persistent storage, ones of the event indications that are indicative
of search events are detected. The detected ones of the search event
indications are processed and it is determined, based at least in part
thereon, by location, frequency data indicative of a frequency of each of
a plurality of search terms presented to the at least one online search
service. An indication of at least some of the frequency data is caused
to be associated with indications of locations to which the frequency
data corresponds. For example, the frequency data may be displayed
superimposed on a map.