Pop culture’s role in promoting social justice

What has been pop culture’s role in promoting social justice? Give specific examples.
Share one unique example (that has not been mentioned in the unit or by classmates) or how pop culture has promoted social justice, awareness of an issue, or has had a role in influencing public opinion to promote equality, justice, acceptance or tolerance.
In your opinion, do people with a large pop culture following have an ethical responsibility to promote positive messages in their work?