Johnetta Elzie and DeRay McKesson

After the fatal shooting of Michael Brown by police in Ferguson, Mo., Mckesson left his school administrator job in Minneapolis to protest in St. Louis. He met Elzie at a medic training on how to respond to tear gas, and together they began to chronicle events in the shootings wake as they unfolded with breakneck speed. Their award winning online newsletter, This Is the Movement, now has some 15,000 subscribers and the two reach another 100,000 followers via Twitter. My role here is just to amplify the message, Mckesson tells Fortune. We are two of many people.