What is the Black Lives Matter movement? How have people been protesting the ongoing violence against the Black community? From its inception as a social media hashtag in 2013 to a movement with supporters around the world, Black Lives Matter has become much more than a slogan. It has changed the way people protest using social media as well as the public discourse around police brutality. Learn about how Black Lives Matter has roots in America's long struggle for racial justice and how the movement will change the future.