My hypothesis on why such apps like Zombies, Run! (http://www.sixtostart.com) is an effective one is quite simple. It works because it embodies something people crave and that is instruction. We may not want to admit it but when there is someone telling one what to do it is more likely to get done. Combine this with exercise and the ever healthy american population will jump all over it.

My idea would be for people to eat healthier. According to CBS eating healthy is a privilege for the rich (http://www.cbsnews.com/news/study-healthy-eating-a-privilege-of-the-rich/) my idea would be to make an app that a person could plug in what they want to eat and the app would spit out healthier suggestions. For example if someone wanted fried chicken, instead of deep frying it in canola oil or some other sort of fatty oil the app would suggest something like omega