Acknowledgements

This report benefitted from input and feedback from many people. The authors would like to express our deep thanks to the staff of The Life You Can Save for their generosity in sharing their time with us, for answering questions, and providing helpful comments. In particular, the team worked closely with:

Charlie Bresler, Executive Director Neela Saldanha, Board member Jon Behar, Strategic Advisor Stacey Black, Director of marketing Chantal Johnson, Social media manager Llamil Silman, Chief Technology Officer

Also, the authors benefited from discussions with many behavioral science, social media, and user experience professionals, who were incredibly open with their experiences and giving with their insights. The authors met with:

Zeina Afif, World Bank Group eMBeD Cynthia Borochuwicz, Inter-American Development Bank LACEA-BRAIN Donald Braman, The Lab @ DC Abigail Dalton, World Bank Group emBeD Iason Gabriel, Deepmind Jessica Leontarakis, Princeton University Office of Communications Ammaarah martinus, Department of the Premier, Province of Western Cape Ana maria muñoz Boudet, World Bank Group emBeD Maddy Pryor, Princeton University Office of Communications Saba Singh, Amazon music Renos Vakis, World Bank Group emBeD Hrag Vosgueritchian, World Bank Group emBeD David Yokum, Brown University, The Policy Lab

All opinions and errors are our own.