INFLUENCING FOR GOOD. You Tube celebrities and executive producers of SXSW World Premiere film, "A Brave Heart The Lizzie Velasquez Story," Justine Ezarik (“iJustine”) and Lizzie Velasquez, talk openly about what it means to influence. What exactly does influence online mean? How do you appeal to global audiences? When do you know you have actually influenced others? What gets the biggest reactions? What social platforms are most effective? Highlighting the documentary as a case study, learn how the producers used their channels and their influence to appeal across multiple facets -- film, interactive, music and social good. How did social media influence the film and vice versa?