Trends

Google trends lets you type in a search phrase and it will give you the top ten cities that have searched for that term. Some interesting, but not really surprising results:

law school: Not too surprising, you have Univ. of Michigan, about five DC schools, and Harvard represented as the greatest interest in the term "law school"
1. Ann Arbor, MI
2. Washington, DC
3. Cambridge, MA

porn: Interstingly, the United States does not crack the rankings until Irvine, CA at #6. The Brits and the Aussies have this one covered.
1. Birmingham, United Kingdom
2. Brisbane, Australia
3. Manchester, United Kingdom

popped collar:
1. New York, NY - It was the only city that had enough hits for the search term for popped collar to pop up. I always knew NY was the place to go for the hottest fashion.