TulaLens -- http://www.tulalens.org http://www.tulalens.org Yelp for low-income people in the developing world. They just did a pilot in Hyderabad (India), an

TulaLens -- http://www.tulalens.org http://www.tulalens.org Yelp for low-income people in the developing world. They just did a pilot in Hyderabad (India), and helped pregnant women living in slum areas discover hospitals around them offering better, cheaper care then they were receiving elsewhere (some were having to pay bribes to get care at government hospitals).