New Cameras Guarantee A Smile on Your Face

Sony's Cyber-shot DSC-W170 uses Smile Shutter
Mode to snap pictures when a subject smiles.
(wsj) -- Most digital cameras have more settings than the average person knows what to do with -- from common adjustments for nighttime and face shots to obscure settings for sports, fireworks and snow scenes.

When the moment comes to take the perfect picture of a snowy mountaintop, Fourth of July fireworks or soccer goal in midkick, most people forget about these features or don't know how to use them. And while many digital cameras can now detect faces and make sure they are in focus, they can't tell whether that face is smiling or not. The results aren't bad, but they could be much better. full story