The Age of Influence

When Emily Gellis hears rumors that the trendy F-factor diet is allegedly causing health issues for her followers, she takes up the cause on Instagram. But the diet’s founder Tanya Zuckerbrot denies the claims and is ready to fight back with two defamation lawsuits. Meanwhile, the dramatic fiber-feud continues to rage on social media, potentially forever setting the stage for what can and can’t be said on the internet.