Of course, these cameras don't really help you lose weight. It is the in-camera software that does that.

One of the key trends I saw at CES was the every-growing variety of in-camera photo editing options. HP is building what it calls the HP Design Gallery into its new digital cameras. This means you can crop, add a border, or posterize your image right in the camera. It also has what it calls a "slimming" feature.

Take a look at the two pictures on the right that I got from HP. One is relatively unedited, but includes a burnt edge border. The other has been altered using the slimming effect. Round heads, turn oval. Bulging bellies are digitally diminished. If the camera adds five pounds, the new Photosmarts will remove ten.

The technique does cause some tearing at the edges of the photo, but who cares when you can stand proudly in the middle with a downsized mid-section? Who says distortion is a bad thing?