From left, Randi Zuckerberg, founder and CEO, R to Z Media, Mandy Moore, actress, singer and anti-malaria activiist, and Derrick Ashong, UN Social Media Envoy for Malaria, take part in the Social Good Summit Tuesday Sept. 20, 2011 in New York. (Tina Fineberg/Insider Images for United Nations Foundation)
09/20/2011 Social Good Summit