Didn't make a big deal out of it, but just sort of said, listen to when you're hungry, and when you're full, stop.

WHITEHOUSE: The First Lady Takes On Childhood Obesity

The camera is always ready to shoot video with its dedicated movie button to start and stop recording HD video instantly and uses the full range of optical zoom when recording, without sacrificing HD resolution.

ENGADGET: Canon announces PowerShot SX500 IS, SX160 IS superzoom cameras ahead of Photokina