One of my favorite examples, the IRC, International Rescue Committee, they have a program where semi-literate midwives, using $10 mobile phones, send a text message using our software, once a week, with the number of births and the number of deaths, which gives IRC something that no one in global health has ever had: a near-real-time system of counting babies, of knowing how many kids are born, of knowing how many children there are in Sierra Leone, which is the country where this is happening, and knowing how many children die.