Daryl Davis is a musician, activist, and author of "Klan-Destine Relationships: A Black Man's Odyssey in the Ku Klux Klan." Bill Ottman is an Internet entrepreneur, free speech activist, and CEO of Minds, a blockchain based social network. Davis and Ottman have launched #ChangeMinds: a new deradicalization initiative based upon the idea that deplatforming actually intensifies extremism.