S2: The Disrupters: Using free speech for good and evil

Social media has made it easier than ever to share ideas around the world and galvanize people into action. Host Nelufar Hedayat looks at the double-edged sword of free speech from the perspective of social media influencer, a free speech lawyer and two tech veterans who say that today's tech companies wield too much power in determining what kind of speech should be permissible.