The document discusses mobile apps and websites created by the American Legacy Foundation to help people quit smoking. It summarizes two main projects: 1) Ubiquitxt, an SMS system that provides support to help people quit smoking through text messages. Several studies found SMS programs can help people quit long-term. 2) This is Quitting, a hybrid mobile app for Android and iOS that offers both a sense of community and ways to quit smoking. It has been in development for a year. The team also built a responsive marketing website to promote the app across different devices. The document provides details on the design, development, and effectiveness of these projects, and offers guidance on when to build a mobile