Just when I thought Google had already sufficiently blown me away with Google Local, Earth and Calendar, something new has come along:
The sociologist in me is agog with the possibilities. Enter a term. See when it has been searched for the most, and, intriguingly, the places where it was searched for the most. For certain terms, there is even matching of particular stories and events that impacted the search pattern.
Google Zeitgeist looks positively old hat now.