www.loseit.com You can have friends sign up (similar to Facebook) and you can see each other's progress. It is soo easy to use. Lots of exercise activities to choose from and a hole slew of food options . Just sign up (name, weight, and age) and it figures out how many calories you need to eat per day to lose a certain amount of weight. It does everything for you. All you have to do is enter the information.