"Social media platforms have become de facto public spaces, where freedom of speech is exercised. But when online speech pushes the limits of acceptability, where do we draw the line? Are conservatives and liberals treated differently? And who gets to decide? This CBSN Originals documentary explores the controversy that's spread far beyond Twitter and Facebook, with real-life consequences.

CBSN Originals is our premium documentary series that is sure to challenge your views on this and a variety of other issues. See our full series library at http://cbsnews.com/cbsnoriginals."