http://www.skeeterbites.com/

By using local air temperature, precipitation, relative humidity, and drought/soil conditions, we can forecast mosquito activity throughout the U.S. This valuable information will help you limit your exposure to these nasty flying pests. The convenient 3-week forecast is updated weekly and predicts your probability of being bitten.


http://www.googlefight.com/

Enter two search terms and see which one is the most popular (on the Internet at least.)