Did you know that it takes 20 minutes for your brain to know that your stomach is full? Most Americans eat too fast, and as a result they take in too many calories before they realize they've eaten enough. Chewz is a patch sensor that analyzes your chewing sound to determine how much, how fast, and how often you eat. Whether you are serious about losing weight or just want to stop binge eating, chewz encourages you to break your bad habits with fun coach characters.