South Africa has one of the worst TB epidemics in the world, with an incidence rate of 362 cases per 100,000 inhabitants. In the rural areas of the Eastern Cape Province, where there are 500 cases for every 100,000 people, this fact is hard to miss. Various factors - poverty, HIV/AIDS, and lack of infrastructure - all contribute to rising TB rates. But a new project is using modern technology to fight the scourge.