Bodymedia recently launched the Bodybugg which monitors how many calories you've burned everyday (it kind of a pedometer and heart-rate monitor on steroids). Accompanied with the hardware is web-based system that allows you to log your food so you have a good idea of your calorie intake. And as the bodybugg web site says:
weight loss is simple. you just need to burn more calories than you take in. it's that easy.
Astro Teller and the BodyMedia gang are on to something. This system will truly get people to better understand their calories going in verses what they are burning.
Now this system will only be used by early adopters now ... now ... but I expect that this will have great appeal as the systems become even more user friendly. Certainly this is a lot more practical than Atkins.
As society invents more and more ways to get obese, it will also invent greater and greater ways to beat obesity and stay trim. So eat another Big Mac -- that's only three hours extra on the treadmill ...