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Dr. JoAnn Long implemented smart-phone technology in a research project reviewing the influence of diet on health, which is her specialization. Subjects photographed each item they consumed. Later in the day, they then entered the items in a chart on a national diet and health site to be analyzed at the end of the project. Students who used the smart-phones were more accurate in their data collection, and the information was more useful to researchers relating diet to health in the study.