The document discusses 5 tools for using Google apps to help adhere to health habits and diets as part of clinical trials: 1) Google Calendar pop-up reminders, 2) placing macronutrient report cards on G-Chat status, 3) inviting friends to a party on Gmail to celebrate goals, 4) bookmarking report cards on Google Chrome, and 5) posting meal pictures on Picasaweb for accountability. It encourages contacting the author to learn more about using Google apps to stick to strict diets.