While much of the world today suffers from information overload, there are still places where information is scarce. And that scarcity sometimes costs people their lives.

In the maternity ward of Zanzibar’s largest public health facility, Mnazi Mmoja Hospital, patient data is listed on a dry-erase board. The information on the board consists of the number of women admitted, the type and severity of their conditions, and whether or not they survived.