“Smartphones can track how much someone drinks very quickly and easily,” said Danielle Ramo, assistant professor of psychiatry at University of California, San Francisco School of Medicine, who researches how digital media can help people change risky health behaviors, including alcoholism. “Smartphone apps have a lot of promise because of their ubiquity, because of their integration into people’s lives.”
http://www.cnn.com/2015/07/09/health/alcohol-drinking-apps-breathalyzers-sensors/index.html