![A large crowd marching behind a banner saying: We march with Selma!](https://i0.wp.com/commonslibrary.org/wp-content/uploads/We_March_With_Selma_cph.3c35695.jpg?fit=300%2C218&ssl=1)
Building 21st Century Movements
Taren Stinebrickner-Kauffman, Founder and former Executive Director of SumofUs, at Progress 2015 with a series of movement case studies challenging us to be technological innovators and to bring our social change work to the cutting edge of the current century.