If you haven’t heard about Google Trends yet, definitely check it out. Google Trends gives you a view into what people are searching for all around the world. It even shows you popularity by region (and many other features). By analyzing these trends you can definitely get a better insight into your market and buzz around it.
Here are some cool results.
Yankees, Red Sox
MySpace
Web 2.0, Ruby on Rails
Barry Bonds, Steroids, Babe Ruth
