Important advice from CNN.com

And I quote: "It is best not to swat at the fly's starting position, but rather to aim a bit forward of that to anticipate where the fly is going to jump when it first sees your swatter"

This is critical. New studies show that flies are really good at not getting swatted.

Here's the link:
http://www.cnn.com/2008/TECH/science/08/29/fly.swat.threat/index.html

Must be a slow news day or something...