Currently being put through its paces in real-world trials in India, the multifunctional device is designed to resemble glucose-monitoring devices which are in widespread use, thus making it familiar in function to health care professionals working in the field. Unlike simple blood sugar monitors, however, the unit can send data by being connected to any cellphone ? including the less-sophisticated types common in the developing world ? to distant physicians, who can text instructions back to researchers or field staff.