He also gave us a few examples of photos with great facial expressions. They absolutely can make an otherwise boring photo very interesting to look at and engaging. A photo with a good expression will hold your attention much longer, and draw your eye much more effectively.
click to enlarge, or see it on Flickr
Shutter Speed: 1/500
Focal Length: 55 mm
I've learned that there are few times better for getting a great face in your photo than during a high-action activity like Ultimate Frisbee.
This is from the same shoot as yesterday's photo, so I hadn't quite figured out that I need faster shutter speeds for these. But there will definitely be more games for me to shoot in the near future.